Canon Inc
Canon IncActive Patents
4
Total Holdings
242
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US20070291311A1 | Image processing apparatus and printing apparatus | Active / In Force | 2007-06-15 | — | 13 | Details |
| US20070273738A1 | Image processing apparatus, printing apparatus and image pr… | Active / In Force | 2007-05-23 | — | 18 | Details |
| US20020154326A1 | Image processing method and apparatus | Expired / Lapsed | 2002-04-04 | — | 11 | Details |
| JP2002307671A | Color inkjet recording apparatus and color inkjet recording… | Expired / Lapsed | 2002-01-30 | — | 0 | Details |
| JP2002144552A | Printing method, printing apparatus, and printing system | Expired / Lapsed | 2001-07-16 | — | 0 | Details |
| JP2002069348A | Ink, ink set, inkjet recording method, recording unit, ink … | Expired / Lapsed | 2001-06-01 | — | 0 | Details |
| US20020196303A1 | Ink printing method and ink printer | Expired / Lapsed | 1999-12-21 | — | 30 | Details |
| EP0913508A2 | Carbon nanotube device, manufacturing method of carbon nano… | Expired / Lapsed | 1998-10-29 | — | 36 | Details |
| JPH1090707A | Manufacturing method of liquid crystal element | Expired / Lapsed | 1996-09-11 | — | 0 | Details |
| EP0585028A1 | Image processing apparatus and method | Expired / Lapsed | 1993-08-16 | — | 35 | Details |
| EP0517543A2 | Ink jet recording method | Expired / Lapsed | 1992-06-05 | — | 19 | Details |
| EP0517544A2 | Ink jet recording apparatus and ink jet recording method | Expired / Lapsed | 1992-06-05 | — | 34 | Details |
| EP0510934A2 | Ink jet recording apparatus and method capable of performin… | Expired / Lapsed | 1992-04-22 | — | 33 | Details |
| EP0406691A2 | Process for continuously forming a large area functional de… | Expired / Lapsed | 1990-06-27 | — | 34 | Details |
| EP0352796A2 | Recording material | Expired / Lapsed | 1989-07-27 | — | 13 | Details |
| JPH01241978A | Color image processing device | Expired / Lapsed | 1988-03-24 | — | 0 | Details |
| JPS63136979A | Electrostatic actuator | Expired / Lapsed | 1986-11-28 | — | 0 | Details |
| EP0213836A2 | Surface-treated metal body, process for producing the same,… | Expired / Lapsed | 1986-08-11 | — | 14 | Details |
| JPS6235321A | electromechanical light modulator | Expired / Lapsed | 1985-08-09 | — | 0 | Details |
| JPS6235322A | optical circuit device | Expired / Lapsed | 1985-08-09 | — | 0 | Details |
| JPS6132271A | Recording device | Expired / Lapsed | 1984-07-24 | — | 0 | Details |
| JPS59138461A | liquid jet recording device | Expired / Lapsed | 1983-01-28 | — | 0 | Details |
| DE3237192A1 | COVER DEVICE FOR A BEAM HEAD SUITABLE FOR DELIVERING SEVERA… | Expired / Lapsed | 1982-10-07 | — | 0 | Details |
| JPS5960482A | CRT device | Expired / Lapsed | 1982-09-30 | — | 0 | Details |
| DE3203795A1 | "INK RADIATOR PRODUCTION DEVICE" | Expired / Lapsed | 1982-02-04 | — | 0 | Details |
| DE3119892A1 | "LIQUID DISCHARGE DEVICE" | Expired / Lapsed | 1981-05-19 | — | 0 | Details |
| JPS57166137A | Flexible tube | Expired / Lapsed | 1981-04-07 | — | 0 | Details |
| DE3040055A1 | INK PENS | Expired / Lapsed | 1980-10-23 | — | 0 | Details |
| JPS5590376A | Multicolor liquid jet device | Expired / Lapsed | 1978-12-28 | — | 0 | Details |
| JPS557761A | Image forming member for electrophotography | Expired / Lapsed | 1978-07-03 | — | 0 | Details |
| JPS5456847A | Medium for thermo transfer recording | Expired / Lapsed | 1977-10-14 | — | 0 | Details |
| JPS5220039A | Fixing device for the electrophotographic copying | Expired / Lapsed | 1975-08-07 | — | 0 | Details |
| DE2508376A1 | Rangefinding system on base line principle - is for automat… | Expired / Lapsed | 1975-02-26 | — | 0 | Details |
| JPS51132402A | Motor polyphase winding method | Expired / Lapsed | 1975-01-07 | — | 0 | Details |
| US8654393B2 | Image processor and image processing method | Active / In Force | 2010-12-07 | 2014-02-18 | 20 | Details |
| US8027058B2 | Image processing apparatus and method | Active / In Force | 2007-04-06 | 2011-09-27 | 12 | Details |
| US7775618B2 | Recording apparatus and data processing method | Expired / Lapsed | 2004-11-12 | 2010-08-17 | 16 | Details |
| US7463384B2 | Image forming method, image processing method and ink jet r… | Expired / Lapsed | 2005-01-26 | 2008-12-09 | 28 | Details |
| US7408676B2 | Ink jet printing with switched use of particular color ink … | Expired / Lapsed | 2004-08-06 | 2008-08-05 | 20 | Details |
| US7347890B2 | Cyan ink, ink set, set of ink and reaction liquid, and imag… | Expired / Lapsed | 2005-12-22 | 2008-03-25 | 8 | Details |
| US7229166B2 | Image-forming method, image-forming apparatus, ink set, and… | Expired / Lapsed | 2004-08-10 | 2007-06-12 | 15 | Details |
| US7121641B2 | Color ink-jet recording apparatus and method and method of … | Expired / Lapsed | 2002-02-07 | 2006-10-17 | 25 | Details |
| US7009734B2 | Method and apparatus for forming color transform lookup tab… | Expired / Lapsed | 2001-08-17 | 2006-03-07 | 16 | Details |
| US6980326B2 | Image processing method and apparatus for color correction … | Expired / Lapsed | 2000-12-12 | 2005-12-27 | 55 | Details |
| US6761426B2 | Calibration method in ink jet printing apparatus | Expired / Lapsed | 2002-06-19 | 2004-07-13 | 36 | Details |
| US6669318B2 | Image recording apparatus, image recording control method, … | Expired / Lapsed | 2001-07-03 | 2003-12-30 | 36 | Details |
| US6652084B1 | Ink-set, ink-jet recording method, recording unit, ink-cart… | Expired / Lapsed | 2000-09-29 | 2003-11-25 | 22 | Details |
| US6601939B2 | Printing method, printing apparatus and printing system | Expired / Lapsed | 2001-08-29 | 2003-08-05 | 66 | Details |
| US6475704B1 | Method for forming fine structure | Expired / Lapsed | 1998-09-10 | 2002-11-05 | 43 | Details |
| US6399674B1 | Ink set and ink-jet color recording method using the same | Expired / Lapsed | 1995-07-12 | 2002-06-04 | 34 | Details |
| US6328403B1 | Print method and apparatus | Expired / Lapsed | 1999-05-10 | 2001-12-11 | 4 | Details |
| US6199191B1 | Viterbi decoding method and device thereof | Expired / Lapsed | 1998-06-11 | 2001-03-06 | 18 | Details |
| US6084604A | Color ink jet recording method and apparatus using black in… | Expired / Lapsed | 1993-10-29 | 2000-07-04 | 67 | Details |
| US6069713A | Image editing method and apparatus and storage medium | Expired / Lapsed | 1998-02-12 | 2000-05-30 | 43 | Details |
| US5986385A | Vibration driven motor or actuator | Expired / Lapsed | 1993-10-21 | 1999-11-16 | 40 | Details |
| US5933847A | Selecting erase method based on type of power supply for fl… | Expired / Lapsed | 1996-09-24 | 1999-08-03 | 10 | Details |
| US5907337A | Ink jet recording method and apparatus | Expired / Lapsed | 1994-06-23 | 1999-05-25 | 17 | Details |
| US5729259A | Random jet recording apparatus and method by thick and thin… | Expired / Lapsed | 1994-05-31 | 1998-03-17 | 20 | Details |
| US5578899A | Field emission device with internal structure for aligning … | Expired / Lapsed | 1994-11-21 | 1996-11-26 | 31 | Details |
| US5568337A | Head positioning using a disk drive mounted to a rotating t… | Expired / Lapsed | 1995-08-27 | 1996-10-22 | 8 | Details |
| US5508580A | Vibration wave driven motor | Expired / Lapsed | 1994-08-26 | 1996-04-16 | 41 | Details |
| US5490158A | Laser unit | Expired / Lapsed | 1994-01-26 | 1996-02-06 | 18 | Details |
| US5489498A | Toner for developing electrostatic image and method of manu… | Expired / Lapsed | 1994-01-18 | 1996-02-06 | 6 | Details |
| US5487020A | Refinement of color images using reference colors | Expired / Lapsed | 1994-01-12 | 1996-01-23 | 4 | Details |
| US5448274A | Ink jet recording apparatus and carriage mechanism therefor | Expired / Lapsed | 1995-01-15 | 1995-09-05 | 12 | Details |
| US5445992A | Process for forming a silicon carbide film | Expired / Lapsed | 1994-05-05 | 1995-08-29 | 12 | Details |
| US5331371A | Alignment and exposure method | Expired / Lapsed | 1993-11-04 | 1994-07-19 | 18 | Details |
| US5325527A | Client/server communication system utilizing a self-generat… | Expired / Lapsed | 1993-01-19 | 1994-06-28 | 21 | Details |
| US5307102A | Driving mechanism of camera | Expired / Lapsed | 1992-12-29 | 1994-04-26 | 20 | Details |
| US5280310A | Ink jet recording apparatus and method capable of performin… | Expired / Lapsed | 1992-04-23 | 1994-01-18 | 18 | Details |
| US5216478A | Doppler velocity meter | Expired / Lapsed | 1992-02-24 | 1993-06-01 | 30 | Details |
| US5168295A | Powder dividing device for camera | Expired / Lapsed | 1991-11-27 | 1992-12-01 | 58 | Details |
| US5156510A | Bookbinding cover | Expired / Lapsed | 1990-12-05 | 1992-10-20 | 13 | Details |
| US5142573A | Telephone apparatus for radio communication with an adaptor | Expired / Lapsed | 1991-02-04 | 1992-08-25 | 15 | Details |
| US5116369A | Composition for intraocular lens | Expired / Lapsed | 1990-09-14 | 1992-05-26 | 12 | Details |
| US5099162A | Coil of superconducting material for electric appliance and… | Expired / Lapsed | 1988-07-18 | 1992-03-24 | 16 | Details |
| US5089884A | Method of expanding compressed color image data | Expired / Lapsed | 1989-06-06 | 1992-02-18 | 14 | Details |
| US5072116A | Microprobe preparation thereof and electronic device by use… | Expired / Lapsed | 1990-11-09 | 1991-12-10 | 76 | Details |
| US5070349A | Camera | Expired / Lapsed | 1989-02-03 | 1991-12-03 | 36 | Details |
| US5067010A | Color video signal processing device with encoding and comp… | Expired / Lapsed | 1989-04-06 | 1991-11-19 | 24 | Details |
| US5048967A | Detection optical system for detecting a pattern on an obje… | Expired / Lapsed | 1990-09-05 | 1991-09-17 | 23 | Details |
| US5028103A | Optical scanning apparatus | Expired / Lapsed | 1990-09-11 | 1991-07-02 | 13 | Details |
| US5018884A | Recording apparatus in which a plurality of carriages can b… | Expired / Lapsed | 1989-03-02 | 1991-05-28 | 27 | Details |
| US5014089A | Developer in an image forming device having a binding resin… | Expired / Lapsed | 1990-05-25 | 1991-05-07 | 4 | Details |
| US5007928A | Intraocular implant having coating layer | Expired / Lapsed | 1989-05-26 | 1991-04-16 | 10 | Details |
| US5000572A | Distance measuring system | Expired / Lapsed | 1990-06-25 | 1991-03-19 | 23 | Details |
| US4967216A | Camera system | Expired / Lapsed | 1989-08-07 | 1990-10-30 | 24 | Details |
| US4958359A | Communication apparatus | Expired / Lapsed | 1988-06-07 | 1990-09-18 | 17 | Details |
| US4916302A | Apparatus for and method of measuring distances to objects … | Expired / Lapsed | 1988-03-28 | 1990-04-10 | 14 | Details |
| US4908718A | Image reading apparatus having a light shielding layer arra… | Expired / Lapsed | 1988-06-30 | 1990-03-13 | 40 | Details |
| US4907868A | Optical system for deflecting image | Expired / Lapsed | 1988-02-17 | 1990-03-13 | 21 | Details |
| US4883359A | Alignment method and pattern forming method using the same | Expired / Lapsed | 1988-04-25 | 1989-11-28 | 4 | Details |
| US4881092A | Motor driven camera | Expired / Lapsed | 1987-12-29 | 1989-11-14 | 11 | Details |
| US4878069A | Ink jet recording apparatus with an ink tank-carriage confi… | Expired / Lapsed | 1988-08-26 | 1989-10-31 | 21 | Details |
| US4867570A | Three-dimensional information processing method and apparat… | Expired / Lapsed | 1988-12-22 | 1989-09-19 | 28 | Details |
| US4851897A | Image pickup system having a lens assembly and means for pr… | Expired / Lapsed | 1988-12-13 | 1989-07-25 | 43 | Details |
| US4832049A | Apparatus for detecting abnormality of the spinal column | Expired / Lapsed | 1987-11-09 | 1989-05-23 | 22 | Details |
| US4823801A | Cornea thickness measuring ultrasonic probe | Expired / Lapsed | 1986-10-21 | 1989-04-25 | 14 | Details |
| US4818858A | Visual sensor system for producing stereoscopic visual info… | Expired / Lapsed | 1988-06-14 | 1989-04-04 | 25 | Details |
| US4818560A | Method for preparation of multi-layer structure film | Expired / Lapsed | 1986-12-24 | 1989-04-04 | 7 | Details |
| US4811059A | Alignment method | Expired / Lapsed | 1987-10-02 | 1989-03-07 | 14 | Details |
| US4771364A | Composition for dielectric porcelain, dielectric porcelain … | Expired / Lapsed | 1986-04-09 | 1988-09-13 | 30 | Details |
| US4762403A | Imaging optical system having a distributed index lens | Expired / Lapsed | 1985-04-04 | 1988-08-09 | 54 | Details |
| US4759947A | Method for forming deposition film using Si compound and ac… | Expired / Lapsed | 1985-10-07 | 1988-07-26 | 12 | Details |
| US4758885A | Method of processing color image | Expired / Lapsed | 1986-06-10 | 1988-07-19 | 14 | Details |
| US4749848A | Apparatus for and method of measuring distances to objects … | Expired / Lapsed | 1986-02-07 | 1988-06-07 | 18 | Details |
| US4746790A | Method and apparatus for measuring a distance | Expired / Lapsed | 1987-09-16 | 1988-05-24 | 9 | Details |
| US4742238A | Non-linear photoelectric converting apparatus with means fo… | Expired / Lapsed | 1986-10-01 | 1988-05-03 | 19 | Details |
| US4740796A | Bubble jet recording method and apparatus in which a heatin… | Expired / Lapsed | 1986-02-06 | 1988-04-26 | 12 | Details |
| US4734610A | Vibration wave motor | Expired / Lapsed | 1987-03-23 | 1988-03-29 | 16 | Details |
| US4725849A | Process for cloth printing by ink-jet system | Expired / Lapsed | 1986-08-25 | 1988-02-16 | 6 | Details |
| US4715006A | Image forming apparatus | Expired / Lapsed | 1987-03-23 | 1987-12-22 | 20 | Details |
| US4697899A | Motorized drive device for camera | Expired / Lapsed | 1986-09-29 | 1987-10-06 | 14 | Details |
| US4697222A | Composition for dielectric porcelain and dielectric porcela… | Expired / Lapsed | 1986-04-09 | 1987-09-29 | 18 | Details |
| US4674434A | Apparatus for forming deposited film | Expired / Lapsed | 1985-07-03 | 1987-06-23 | 3 | Details |
| US4672432A | Method for recording a color image using dots of colorants … | Expired / Lapsed | 1984-04-23 | 1987-06-09 | 15 | Details |
| US4666366A | Articulated arm transfer device | Expired / Lapsed | 1985-07-17 | 1987-05-19 | 14 | Details |
| US4664952A | Recording medium and recording method utilizing the same | Expired / Lapsed | 1985-10-21 | 1987-05-12 | 9 | Details |
| US4647518A | Light-emitting display component and method for light-emitt… | Expired / Lapsed | 1985-04-17 | 1987-03-03 | 25 | Details |
| US4643579A | Aligning method | Expired / Lapsed | 1984-11-19 | 1987-02-17 | 22 | Details |
| US4626679A | Optical head and method of detecting the focus thereof | Expired / Lapsed | 1983-09-19 | 1986-12-02 | 38 | Details |
| US4597794A | Recording process and a recording liquid thereof | Expired / Lapsed | 1984-07-03 | 1986-07-01 | 14 | Details |
| US4593295A | Ink jet image recording device with pitch-shifted recording… | Expired / Lapsed | 1983-05-20 | 1986-06-03 | 7 | Details |
| US4591899A | Color image pickup device | Expired / Lapsed | 1983-03-17 | 1986-05-27 | 29 | Details |
| US4586786A | Area beam type splitter | Expired / Lapsed | 1985-04-08 | 1986-05-06 | 7 | Details |
| US4575237A | Distance measuring device | Expired / Lapsed | 1982-12-22 | 1986-03-11 | 32 | Details |
| US4573784A | Focus detecting apparatus | Expired / Lapsed | 1985-05-30 | 1986-03-04 | 13 | Details |
| US4569035A | Magneto-optical information reading apparatus | Expired / Lapsed | 1983-09-06 | 1986-02-04 | 10 | Details |
| US4565731A | Image-forming member for electrophotography | Expired / Lapsed | 1982-09-15 | 1986-01-21 | 15 | Details |
| US4558440A | System for recording patterns of magnetically recorded info… | Expired / Lapsed | 1983-08-12 | 1985-12-10 | 16 | Details |
| US4558333A | Liquid jet recording head | Expired / Lapsed | 1982-07-02 | 1985-12-10 | 17 | Details |
| US4557987A | Photoconductive member having barrier layer and amorphous s… | Expired / Lapsed | 1981-12-08 | 1985-12-10 | 81 | Details |
| US4554592A | Image forming apparatus | Expired / Lapsed | 1983-10-20 | 1985-11-19 | 17 | Details |
| US4550053A | Recording medium | Expired / Lapsed | 1984-03-22 | 1985-10-29 | 9 | Details |
| US4546008A | Method for forming a deposition film | Expired / Lapsed | 1984-11-02 | 1985-10-08 | 19 | Details |
| US4539601A | Portable video system | Expired / Lapsed | 1983-08-29 | 1985-09-03 | 16 | Details |
| US4529474A | Method of cleaning apparatus for forming deposited film | Expired / Lapsed | 1984-01-30 | 1985-07-16 | 4 | Details |
| US4528576A | Recording apparatus | Expired / Lapsed | 1983-04-08 | 1985-07-09 | 9 | Details |
| US4522905A | Amorphous silicon photoconductive member with interface and… | Expired / Lapsed | 1983-02-01 | 1985-06-11 | 20 | Details |
| US4522485A | Copying machine including a dielectric covered metal reflec… | Expired / Lapsed | 1982-09-30 | 1985-06-11 | 17 | Details |
| US4523101A | Image scanning system with signal integration time control | Expired / Lapsed | 1982-07-16 | 1985-06-11 | 26 | Details |
| US4521805A | Printing apparatus or system | Expired / Lapsed | 1982-04-21 | 1985-06-04 | 28 | Details |
| US4504760A | Piezoelectrically driven vibration wave motor | Expired / Lapsed | 1983-12-08 | 1985-03-12 | 6 | Details |
| US4499478A | Ink jet recording apparatus | Expired / Lapsed | 1981-12-28 | 1985-02-12 | 15 | Details |
| US4481244A | Material used to bear writing or printing | Expired / Lapsed | 1983-01-21 | 1984-11-06 | 8 | Details |
| US4477168A | Range finder | Expired / Lapsed | 1982-08-23 | 1984-10-16 | 16 | Details |
| US4475800A | Focus detecting system | Expired / Lapsed | 1984-02-08 | 1984-10-09 | 15 | Details |
| US4474422A | Optical scanning apparatus having an array of light sources | Expired / Lapsed | 1980-11-07 | 1984-10-02 | 14 | Details |
| US4470037A | Input device for electronic apparatus | Expired / Lapsed | 1981-09-22 | 1984-09-04 | 4 | Details |
| US4466719A | Wind-up device for camera | Expired / Lapsed | 1983-05-16 | 1984-08-21 | 10 | Details |
| US4467348A | Image recording device | Expired / Lapsed | 1981-01-27 | 1984-08-21 | 13 | Details |
| US4463359A | Droplet generating method and apparatus thereof | Expired / Lapsed | 1980-03-24 | 1984-07-31 | 57 | Details |
| US4459619A | Image reading apparatus | Expired / Lapsed | 1982-01-13 | 1984-07-10 | 14 | Details |
| US4459600A | Liquid jet recording device | Expired / Lapsed | 1981-11-25 | 1984-07-10 | 3 | Details |
| US4450185A | Process for forming amorphous silicon film | Expired / Lapsed | 1982-03-01 | 1984-05-22 | 5 | Details |
| US4447112A | Scanning optical system having a tilting correcting function | Expired / Lapsed | 1982-02-23 | 1984-05-08 | 10 | Details |
| US4439790A | Image forming apparatus | Expired / Lapsed | 1982-01-13 | 1984-03-27 | 23 | Details |
| US4437743A | Signal processing system | Expired / Lapsed | 1981-10-21 | 1984-03-20 | 13 | Details |
| US4437100A | Ink-jet head and method for production thereof | Expired / Lapsed | 1982-06-04 | 1984-03-13 | 18 | Details |
| US4425031A | Automatic focus adjusting apparatus for camera | Expired / Lapsed | 1981-05-21 | 1984-01-10 | 43 | Details |
| US4414581A | Image signal processing method and apparatus therefor | Expired / Lapsed | 1981-10-20 | 1983-11-08 | 16 | Details |
| US4411505A | Camera | Expired / Lapsed | 1982-03-16 | 1983-10-25 | 28 | Details |
| US4411504A | Focus detecting system | Expired / Lapsed | 1981-10-21 | 1983-10-25 | 27 | Details |
| US4411540A | Printing apparatus | Expired / Lapsed | 1981-08-18 | 1983-10-25 | 7 | Details |
| US4410261A | Range finding device | Expired / Lapsed | 1981-03-02 | 1983-10-18 | 23 | Details |
| US4409308A | Photoconductive member with two amorphous silicon layers | Expired / Lapsed | 1981-10-02 | 1983-10-11 | 101 | Details |
| US4407003A | Thermal printer | Expired / Lapsed | 1982-01-18 | 1983-09-27 | 7 | Details |
| US4404571A | Multibeam recording apparatus | Expired / Lapsed | 1981-10-06 | 1983-09-13 | 23 | Details |
| GB2041572B | Image forming device | Expired / Lapsed | 1979-10-15 | 1983-08-17 | 0 | Details |
| US4390972A | Refreshing system for dynamic memory | Expired / Lapsed | 1980-11-24 | 1983-06-28 | 3 | Details |
| US4377742A | Image sharpness detecting system | Expired / Lapsed | 1980-05-20 | 1983-03-22 | 94 | Details |
| US4367948A | Surface potential electrometer and image forming apparatus … | Expired / Lapsed | 1980-04-21 | 1983-01-11 | 65 | Details |
| US4367009A | Optical scanning apparatus with beam splitter to provide pl… | Expired / Lapsed | 1981-02-02 | 1983-01-04 | 5 | Details |
| US4365878A | Signal processing circuitry for a distance measuring system | Expired / Lapsed | 1981-05-01 | 1982-12-28 | 12 | Details |
| US4366492A | Semiconductor laser device | Expired / Lapsed | 1980-05-06 | 1982-12-28 | 28 | Details |
| US4359277A | Camera with printed circuit boards comprising resistance-co… | Expired / Lapsed | 1980-07-23 | 1982-11-16 | 32 | Details |
| US4353097A | Facsimile apparatus | Expired / Lapsed | 1980-10-22 | 1982-10-05 | 21 | Details |
| US4347436A | Photoelectric transducing element with high polymer substra… | Expired / Lapsed | 1980-03-25 | 1982-08-31 | 7 | Details |
| US4345262A | Ink jet recording method | Expired / Lapsed | 1980-02-07 | 1982-08-17 | 18 | Details |
| US4343531A | Light beam scanning device with constant spot intensity and… | Expired / Lapsed | 1980-02-07 | 1982-08-10 | 6 | Details |
| US4338577A | Semiconductor laser apparatus | Expired / Lapsed | 1979-10-24 | 1982-07-06 | 26 | Details |
| US4330787A | Liquid jet recording device | Expired / Lapsed | 1979-10-15 | 1982-05-18 | 3 | Details |
| US4329033A | Distance detecting device and a focus control system utiliz… | Expired / Lapsed | 1980-02-15 | 1982-05-11 | 70 | Details |
| US4327304A | Winding for small rotary electric double air gap motor | Expired / Lapsed | 1979-11-16 | 1982-04-27 | 12 | Details |
| US4313124A | Liquid jet recording process and liquid jet recording head | Expired / Lapsed | 1980-05-13 | 1982-01-26 | 12 | Details |
| US4305657A | Range finding device | Expired / Lapsed | 1978-09-22 | 1981-12-15 | 57 | Details |
| US4297018A | Printed circuit unit for a camera | Expired / Lapsed | 1979-07-09 | 1981-10-27 | 14 | Details |
| US4296421A | Ink jet recording device using thermal propulsion and mecha… | Expired / Lapsed | 1979-10-24 | 1981-10-20 | 27 | Details |
| US4291223A | Distance detecting device | Expired / Lapsed | 1979-02-21 | 1981-09-22 | 32 | Details |
| US4283137A | Image scanning system | Expired / Lapsed | 1979-03-30 | 1981-08-11 | 31 | Details |
| US4281329A | Liquid recording medium | Expired / Lapsed | 1979-06-19 | 1981-07-28 | 76 | Details |
| US4278893A | Alignment apparatus | Expired / Lapsed | 1979-02-23 | 1981-07-14 | 2 | Details |
| US4274735A | Distance measuring device | Expired / Lapsed | 1979-05-18 | 1981-06-23 | 17 | Details |
| US4265991A | Electrophotographic photosensitive member and process for p… | Expired / Lapsed | 1978-12-19 | 1981-05-05 | 23 | Details |
| US4264161A | Motion detecting device in exposure control system for opti… | Expired / Lapsed | 1978-10-10 | 1981-04-28 | 16 | Details |
| US4257705A | Device for focus detection or distance detection | Expired / Lapsed | 1979-03-20 | 1981-03-24 | 17 | Details |
| US4255029A | Focusing device | Expired / Lapsed | 1979-08-20 | 1981-03-10 | 19 | Details |
| US4251824A | Liquid jet recording method with variable thermal viscosity… | Expired / Lapsed | 1979-11-13 | 1981-02-17 | 12 | Details |
| US4200858A | Acoustic wave scanning apparatus | Expired / Lapsed | 1978-06-07 | 1980-04-29 | 26 | Details |
| US4189232A | Range detecting method and apparatus | Expired / Lapsed | 1978-01-05 | 1980-02-19 | 34 | Details |
| US4178098A | Range detecting method and apparatus | Expired / Lapsed | 1978-01-05 | 1979-12-11 | 25 | Details |
| US4176907A | Scanning device | Expired / Lapsed | 1977-09-02 | 1979-12-04 | 13 | Details |
| US4156281A | Electronic instrument | Expired / Lapsed | 1977-10-19 | 1979-05-22 | 12 | Details |
| US4149795A | Digital information transmitting and displaying system for … | Expired / Lapsed | 1977-02-24 | 1979-04-17 | 14 | Details |
| US4149787A | Eye fundus camera | Expired / Lapsed | 1976-12-03 | 1979-04-17 | 23 | Details |
| US4135815A | Range finding device | Expired / Lapsed | 1977-12-30 | 1979-01-23 | 14 | Details |
| US4134654A | Printed circuit unit for a camera | Expired / Lapsed | 1976-12-01 | 1979-01-16 | 39 | Details |
| US4133606A | Method and system for detecting sharpness of an object image | Expired / Lapsed | 1975-11-11 | 1979-01-09 | 8 | Details |
| US4130769A | Brushless DC motor | Expired / Lapsed | 1975-10-31 | 1978-12-19 | 17 | Details |
| US4107786A | Character size changing device | Expired / Lapsed | 1977-02-24 | 1978-08-15 | 27 | Details |
| US4104650A | Sharp focus detecting system | Expired / Lapsed | 1975-08-14 | 1978-08-01 | 30 | Details |
| US4102563A | Eye fundus camera free from undesired reflected and diffuse… | Expired / Lapsed | 1976-11-24 | 1978-07-25 | 8 | Details |
| US4068932A | Optical instrument for examining the eye fundus | Expired / Lapsed | 1976-05-18 | 1978-01-17 | 21 | Details |
| US4069487A | Recording member and process for recording | Expired / Lapsed | 1975-12-22 | 1978-01-17 | 6 | Details |
| US4047187A | System for exposure measurement and/or focus detection by m… | Expired / Lapsed | 1975-03-31 | 1977-09-06 | 52 | Details |
| US4003059A | Optical recorder having focus controlling means | Expired / Lapsed | 1975-01-30 | 1977-01-11 | 20 | Details |
| US3999192A | Focus detecting system | Expired / Lapsed | 1974-11-01 | 1976-12-21 | 16 | Details |
| US3937950A | Focus defecting system | Expired / Lapsed | 1974-04-08 | 1976-02-10 | 18 | Details |
| US3931789A | Vapor deposition apparatus | Expired / Lapsed | 1974-04-19 | 1976-01-13 | 9 | Details |
| US3906389A | Difference amplifier with gain controlled by the sum of the… | Expired / Lapsed | 1973-03-26 | 1975-09-16 | 7 | Details |
| US3904835A | Reconstruction method of an optically recorded signal | Expired / Lapsed | 1972-12-04 | 1975-09-09 | 15 | Details |
| US3901220A | Endoscopes | Expired / Lapsed | 1973-06-29 | 1975-08-26 | 14 | Details |
| US3902010A | Information recording device with record having layers with… | Expired / Lapsed | 1973-02-14 | 1975-08-26 | 16 | Details |
| US3898676A | Distance detecting device | Expired / Lapsed | 1973-12-20 | 1975-08-05 | 20 | Details |
| US3869211A | Instrument for measuring thickness of thin film | Expired / Lapsed | 1973-06-22 | 1975-03-04 | 12 | Details |
| US3856399A | Automatically adjustable focusing system | Expired / Lapsed | 1973-03-14 | 1974-12-24 | 16 | Details |
| US3855448A | Recording apparatus | Expired / Lapsed | 1973-03-22 | 1974-12-17 | 12 | Details |
| US3834803A | Photo-information transmission and exposure device | Expired / Lapsed | 1973-04-02 | 1974-09-10 | 17 | Details |
| US3827064A | Focus detector device | Expired / Lapsed | 1973-01-22 | 1974-07-30 | 4 | Details |
| US3796569A | Electrophotographic photosensitive material | Expired / Lapsed | 1971-11-11 | 1974-03-12 | 0 | Details |
| US3783357A | Constant speed controlling device for a direct current motor | Expired / Lapsed | 1971-11-10 | 1974-01-01 | 12 | Details |
| US3747487A | An exposure control system for a photographic system | Expired / Lapsed | 1970-04-10 | 1973-07-24 | 11 | Details |
| US3743912A | Servo-control system | Expired / Lapsed | 1970-10-16 | 1973-07-03 | 33 | Details |
| US3723003A | Rangefinder | Expired / Lapsed | 1969-11-18 | 1973-03-27 | 16 | Details |
| US3696719A | Automatic exposure control device | Expired / Lapsed | 1971-02-17 | 1972-10-10 | 9 | Details |
| US3689145A | Slit exposure type copying | Expired / Lapsed | 1970-04-06 | 1972-09-05 | 35 | Details |
| US3682071A | Automatic focusing device for cameras | Expired / Lapsed | 1970-11-05 | 1972-08-08 | 11 | Details |
| US3678835A | Automatic focusing device for cameras and the like | Expired / Lapsed | 1970-08-12 | 1972-07-25 | 14 | Details |
| US3667949A | Imagewise photochromic process utilizing spiropyran compoun… | Expired / Lapsed | 1969-03-06 | 1972-06-06 | 0 | Details |
| US3605596A | Camera provided with a depth-of-field controller | Expired / Lapsed | 1969-11-04 | 1971-09-20 | 0 | Details |
| US3344724A | Flash circuit for photographic cameras | Expired / Lapsed | 1964-10-05 | 1967-10-03 | 2 | Details |
| US3210082A | Magnetic sound recording and reproducing apparatus of the s… | Expired / Lapsed | 1960-11-28 | 1965-10-05 | 2 | Details |