Mitsubishi Electric Corp
MitsubishiActive Patents
4
Total Holdings
207
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| EP0963068A2 | Receiver for receiving digital broadcast programmes using t… | Expired / Lapsed | 1999-05-10 | — | 10 | Details |
| JPH1152045A | Optical radar device for vehicles | Expired / Lapsed | 1997-08-04 | — | 0 | Details |
| EP0816802A2 | Navigation system | Expired / Lapsed | 1996-12-10 | — | 15 | Details |
| EP0785535A1 | Integrated guidance system for vehicles | Expired / Lapsed | 1996-10-24 | — | 10 | Details |
| DE19611386A1 | Data memory device, e.g. chip card | Expired / Lapsed | 1996-03-22 | — | 0 | Details |
| DE19509689A1 | Physiological or psychological state detector using corneal… | Expired / Lapsed | 1995-03-07 | — | 0 | Details |
| DE19503960A1 | Optical radar device for vehicles | Expired / Lapsed | 1995-02-07 | — | 0 | Details |
| DE4328100A1 | Signal receiving coil and contactless type IC card using th… | Expired / Lapsed | 1993-08-20 | — | 0 | Details |
| DE4301875A1 | Road traffic navigation system with detour route function -… | Expired / Lapsed | 1993-01-13 | — | 0 | Details |
| DE4125688A1 | DISTANCE MEASURING DEVICE | Expired / Lapsed | 1991-08-02 | — | 0 | Details |
| JPH055626A | Navigation device | Expired / Lapsed | 1991-06-27 | — | 0 | Details |
| DE4120265A1 | CARD WITHOUT CONNECTION CONTACTS | Expired / Lapsed | 1991-06-19 | — | 0 | Details |
| DE4100993A1 | FOLLOW-UP CONTROL DEVICE AND METHOD FOR A MOTOR VEHICLE | Expired / Lapsed | 1991-01-15 | — | 0 | Details |
| DE4033831A1 | NAVIGATION SYSTEM FOR A MOVABLE BODY | Expired / Lapsed | 1990-10-24 | — | 0 | Details |
| DE4033527A1 | VEHICLE POSITION DETECTOR | Expired / Lapsed | 1990-10-22 | — | 0 | Details |
| DE4006300A1 | RADAR DEVICE FOR MOTOR VEHICLES | Expired / Lapsed | 1990-02-28 | — | 0 | Details |
| EP0389676A2 | Portable communication device | Expired / Lapsed | 1989-11-06 | — | 18 | Details |
| JPH0325645A | Swapping system for virtual space | Expired / Lapsed | 1989-06-23 | — | 0 | Details |
| JPH031690A | On-vehicle still picture video telephone | Expired / Lapsed | 1989-05-29 | — | 0 | Details |
| DE3842179A1 | NAVIGATION DEVICE FOR MOVING OBJECTS | Expired / Lapsed | 1988-12-15 | — | 0 | Details |
| DE3824870A1 | SYSTEM FOR CONTACT-FREE INFORMATION TRANSFER BETWEEN AN IC … | Expired / Lapsed | 1988-07-21 | — | 0 | Details |
| DE3812147A1 | METHOD AND IC CARD FOR RECORDING DATA | Expired / Lapsed | 1988-04-12 | — | 0 | Details |
| JPH0194457A | System for high-speed swap-in/swap-out | Expired / Lapsed | 1987-10-07 | — | 0 | Details |
| JPS6432727A | Transmitting output controller | Expired / Lapsed | 1987-07-29 | — | 0 | Details |
| JPS63124485A | Semiconductor device | Expired / Lapsed | 1986-11-12 | — | 0 | Details |
| JPS6334634A | Crt touch switch device | Expired / Lapsed | 1986-07-29 | — | 0 | Details |
| JPS6284499A | Semiconductor memory device | Expired / Lapsed | 1985-10-08 | — | 0 | Details |
| DE3515471A1 | NAVIGATION SYSTEM FOR SELF-DRIVEN VEHICLES | Expired / Lapsed | 1985-04-29 | — | 0 | Details |
| JPS61240447A | Optical information processor | Expired / Lapsed | 1985-04-18 | — | 0 | Details |
| JPS61227237A | Optical information reproducing device | Expired / Lapsed | 1985-04-02 | — | 0 | Details |
| DE3245846A1 | DEVICE FOR AVOIDING FAULTY RADIATION WITH A SURGICAL LASER … | Expired / Lapsed | 1982-12-10 | — | 0 | Details |
| EP0080361A2 | Complementary metal-oxide semiconductor integrated circuit … | Expired / Lapsed | 1982-11-22 | — | 4 | Details |
| JPS5983733A | Preparation of shape memory alloy | Expired / Lapsed | 1982-11-01 | — | 0 | Details |
| JPS5828675A | Microwave angle sensor | Expired / Lapsed | 1981-08-13 | — | 0 | Details |
| JPS587604A | Illuminating device for optical fiber | Expired / Lapsed | 1981-07-07 | — | 0 | Details |
| JPS586133A | Forming device for minute pattern | Expired / Lapsed | 1981-07-03 | — | 0 | Details |
| JPS5783641A | Fuel injector | Expired / Lapsed | 1980-11-11 | — | 0 | Details |
| JPS5732630A | Repair of defect on photomask | Expired / Lapsed | 1980-08-04 | — | 0 | Details |
| JPS5686503A | Mirror surface of frequency selection | Expired / Lapsed | 1979-12-17 | — | 0 | Details |
| DE2929504A1 | Direction finder using annular magnetic core - incorporates… | Expired / Lapsed | 1979-07-20 | — | 0 | Details |
| JPS55141806A | Corrugate cone horn/circular waveguide converter | Expired / Lapsed | 1979-04-23 | — | 0 | Details |
| JPS5622505A | Double bus line type composite gas insulated switching syst… | Expired / Lapsed | 1979-03-26 | — | 0 | Details |
| JPS55125944A | Wire cut electrospark machining apparatus | Expired / Lapsed | 1979-03-22 | — | 0 | Details |
| JPS5595339A | Preparation of semiconductor device | Expired / Lapsed | 1979-01-12 | — | 0 | Details |
| JPS54116869A | Corrugate conic or pyramidal horn | Expired / Lapsed | 1978-03-03 | — | 0 | Details |
| JPS5472068A | Optical processor | Expired / Lapsed | 1977-11-18 | — | 0 | Details |
| JPS536052A | Optically variable branching device | Expired / Lapsed | 1976-07-06 | — | 0 | Details |
| DE2625347A1 | DEVICE FOR PLAYBACK OF MULIPLEX VIDEO DATA | Expired / Lapsed | 1976-06-04 | — | 0 | Details |
| JPS5251955A | Optical semiconductor device | Expired / Lapsed | 1975-10-23 | — | 0 | Details |
| JPS5246282A | Automatic supervisory device | Expired / Lapsed | 1975-10-08 | — | 0 | Details |
| DE2045368A1 | Arrangement for the localization of obstacles | Expired / Lapsed | 1970-09-14 | — | 0 | Details |
| DE2034341A1 | Laser device for material processing | Expired / Lapsed | 1970-07-10 | — | 0 | Details |
| USD719173S1 | Display panel with informational display for railroads | Active / In Force | 2012-06-26 | 2014-12-09 | 1 | Details |
| USD719172S1 | Display panel with informational display | Active / In Force | 2012-06-26 | 2014-12-09 | 1 | Details |
| USD717808S1 | Display panel with informational display | Active / In Force | 2012-06-26 | 2014-11-18 | 1 | Details |
| US7826709B2 | Metadata editing apparatus, metadata reproduction apparatus… | Expired / Lapsed | 2003-03-20 | 2010-11-02 | 3 | Details |
| USD599815S1 | Monitor screen with an image | Active / In Force | 2008-01-08 | 2009-09-08 | 1 | Details |
| US7136748B2 | Map data processing apparatus and center system | Expired / Lapsed | 2004-01-06 | 2006-11-14 | 11 | Details |
| US6574197B1 | Network monitoring device | Expired / Lapsed | 1998-12-21 | 2003-06-03 | 22 | Details |
| US6571052B1 | Moving picture playback apparatus | Expired / Lapsed | 1999-05-07 | 2003-05-27 | 4 | Details |
| US6487493B2 | Navigation device having a platform-dependent part and a us… | Expired / Lapsed | 2000-11-29 | 2002-11-26 | 7 | Details |
| US6480670B1 | Video signal encoding method and system | Expired / Lapsed | 1999-11-29 | 2002-11-12 | 5 | Details |
| US6453372B1 | Data communication system for and method of avoiding comput… | Expired / Lapsed | 1999-02-16 | 2002-09-17 | 18 | Details |
| US6400237B1 | Phase compensation circuit, frequency converter device and … | Expired / Lapsed | 1999-11-19 | 2002-06-04 | 23 | Details |
| US6341123B1 | Digital audio broadcasting receiver | Expired / Lapsed | 1998-01-29 | 2002-01-22 | 10 | Details |
| US6282483B1 | Follow-up cruise control apparatus | Expired / Lapsed | 2000-07-28 | 2001-08-28 | 16 | Details |
| USD425887S | Portable telephone device | Expired / Lapsed | 1999-03-17 | 2000-05-30 | 1 | Details |
| US6014693A | System for delivering compressed stored video data by adjus… | Expired / Lapsed | 1996-09-12 | 2000-01-11 | 21 | Details |
| US5909523A | Optical module and method of fabricating optical module | Expired / Lapsed | 1997-03-14 | 1999-06-01 | 12 | Details |
| US5552893A | Distance measuring apparatus | Expired / Lapsed | 1994-09-15 | 1996-09-03 | 7 | Details |
| US5534073A | Semiconductor producing apparatus comprising wafer vacuum c… | Expired / Lapsed | 1993-09-07 | 1996-07-09 | 14 | Details |
| US5471620A | Data processor with means for separately receiving and proc… | Expired / Lapsed | 1994-06-10 | 1995-11-28 | 7 | Details |
| US5434495A | Cognition device for battery residual capacity | Expired / Lapsed | 1989-10-26 | 1995-07-18 | 9 | Details |
| DE4302387C2 | Contactless chip card | Expired / Lapsed | 1993-01-28 | 1995-06-22 | 0 | Details |
| US5424952A | Vehicle-surroundings monitoring apparatus | Expired / Lapsed | 1994-03-15 | 1995-06-13 | 5 | Details |
| US5381401A | Multiple data surface optical data storage system | Expired / Lapsed | 1993-06-18 | 1995-01-10 | 102 | Details |
| US5379301A | Microprocessor for debugging programs | Expired / Lapsed | 1993-11-12 | 1995-01-03 | 13 | Details |
| US5373499A | Multilayer optical disk and system having multiple optical … | Expired / Lapsed | 1993-07-22 | 1994-12-13 | 18 | Details |
| US5369588A | Navigation system for motor vehicles | Expired / Lapsed | 1992-08-07 | 1994-11-29 | 5 | Details |
| US5339085A | Three-dimensional radar display | Expired / Lapsed | 1993-07-07 | 1994-08-16 | 20 | Details |
| US5305294A | Magneto-optical recording/reproducing system having an elec… | Expired / Lapsed | 1993-03-30 | 1994-04-19 | 11 | Details |
| US5285479A | Quadrature modulation circuit | Expired / Lapsed | 1991-11-13 | 1994-02-08 | 19 | Details |
| US5280566A | Fuzzy inference device | Expired / Lapsed | 1991-03-13 | 1994-01-18 | 6 | Details |
| US5257195A | On-board vehicle position detector | Expired / Lapsed | 1991-09-10 | 1993-10-26 | 7 | Details |
| US5255262A | Multiple data surface optical data storage system with tran… | Expired / Lapsed | 1991-06-04 | 1993-10-19 | 39 | Details |
| US5253050A | Distance measuring device for measuring the distance betwee… | Expired / Lapsed | 1992-03-03 | 1993-10-12 | 7 | Details |
| EP0391020B1 | Housing for a portable radio telephone device | Expired / Lapsed | 1990-01-13 | 1993-09-15 | 16 | Details |
| US5207607A | Plasma display panel and a process for producing the same | Expired / Lapsed | 1990-12-14 | 1993-05-04 | 2 | Details |
| US5203823A | Detecting apparatus | Expired / Lapsed | 1990-02-27 | 1993-04-20 | 58 | Details |
| US5202875A | Multiple data surface optical data storage system | Expired / Lapsed | 1991-06-04 | 1993-04-13 | 28 | Details |
| US5200755A | Bistatic radar system | Expired / Lapsed | 1992-07-16 | 1993-04-06 | 10 | Details |
| US5179687A | Semiconductor memory device containing a cache and an opera… | Expired / Lapsed | 1990-06-25 | 1993-01-12 | 21 | Details |
| US5177462A | Car interval control apparatus | Expired / Lapsed | 1991-03-13 | 1993-01-05 | 8 | Details |
| US5163911A | Over-the-wire catheter | Expired / Lapsed | 1992-04-03 | 1992-11-17 | 8 | Details |
| US5165108A | Vehicle-to-vehicle distance detecting apparatus | Expired / Lapsed | 1991-03-04 | 1992-11-17 | 7 | Details |
| US5159557A | Distance detecting apparatus and method for a vehicle | Expired / Lapsed | 1991-06-11 | 1992-10-27 | 12 | Details |
| US5155688A | Vehicle navigation system | Expired / Lapsed | 1990-10-18 | 1992-10-13 | 5 | Details |
| US5152273A | Exhaust gas recirculation control device and its failure di… | Expired / Lapsed | 1991-10-17 | 1992-10-06 | 9 | Details |
| US5140698A | Mobile telephone system with intermittent control of receiv… | Expired / Lapsed | 1989-10-26 | 1992-08-18 | 21 | Details |
| US5112771A | Method of fibricating a semiconductor device having a trench | Expired / Lapsed | 1989-06-12 | 1992-05-12 | 9 | Details |
| US5095357A | Inductive structures for semiconductor integrated circuits | Expired / Lapsed | 1990-08-14 | 1992-03-10 | 34 | Details |
| US5086508A | Radio transceiver with transmission level control | Expired / Lapsed | 1989-11-07 | 1992-02-04 | 16 | Details |
| US5055780A | Probe plate used for testing a semiconductor device, and a … | Expired / Lapsed | 1990-02-05 | 1991-10-08 | 9 | Details |
| US5036812A | Idle control device for an internal combustion engine | Expired / Lapsed | 1990-05-01 | 1991-08-06 | 17 | Details |
| US5026153A | Vehicle tracking control for continuously detecting the dis… | Expired / Lapsed | 1990-02-16 | 1991-06-25 | 12 | Details |
| US5023712A | Tracking distance-measuring equipment system with means for… | Expired / Lapsed | 1990-03-06 | 1991-06-11 | 5 | Details |
| US5012111A | Ion beam irradiation apparatus | Expired / Lapsed | 1989-06-15 | 1991-04-30 | 10 | Details |
| US5010296A | Wafer prober | Expired / Lapsed | 1990-03-12 | 1991-04-23 | 9 | Details |
| US5003205A | Buffer circuit used in a semiconductor device operating by … | Expired / Lapsed | 1989-09-12 | 1991-03-26 | 15 | Details |
| US4987420A | Method of determining a position using satellites | Expired / Lapsed | 1990-01-05 | 1991-01-22 | 24 | Details |
| US4967717A | Abnormality detecting device for an EGR system | Expired / Lapsed | 1988-11-16 | 1990-11-06 | 10 | Details |
| US4960983A | Noncontact type IC card and system for noncontact transfer … | Expired / Lapsed | 1988-06-23 | 1990-10-02 | 24 | Details |
| US4947702A | Industrial robot | Expired / Lapsed | 1989-05-18 | 1990-08-14 | 6 | Details |
| US4947411A | Programmable clock frequency divider | Expired / Lapsed | 1987-11-20 | 1990-08-07 | 6 | Details |
| US4937570A | Route guidance display device | Expired / Lapsed | 1988-02-26 | 1990-06-26 | 9 | Details |
| US4935913A | Optical information recording and reproducing apparatus | Expired / Lapsed | 1988-04-06 | 1990-06-19 | 5 | Details |
| US4916671A | Semiconductor memory device having sense amplifier having i… | Expired / Lapsed | 1989-02-22 | 1990-04-10 | 13 | Details |
| US4903325A | Portable wireless communication apparatus | Expired / Lapsed | 1988-06-30 | 1990-02-20 | 17 | Details |
| USD305886S | Memory card for a computer system | Expired / Lapsed | 1987-07-30 | 1990-02-06 | 1 | Details |
| US4896675A | Apparatus for monitoring degree of mental tension | Expired / Lapsed | 1989-02-16 | 1990-01-30 | 4 | Details |
| US4893170A | Semiconductor device with multi-level wiring in a gate array | Expired / Lapsed | 1984-04-11 | 1990-01-09 | 19 | Details |
| US4862371A | Fault diagnosis system for electronic devices on automobiles | Expired / Lapsed | 1987-08-13 | 1989-08-29 | 9 | Details |
| USD302680S | Handset telephone | Expired / Lapsed | 1987-06-15 | 1989-08-08 | 1 | Details |
| US4841436A | Tag Data processing apparatus for a data flow computer | Expired / Lapsed | 1986-05-30 | 1989-06-20 | 3 | Details |
| US4839487A | Wire electrode for wire-cut electrical discharge machining | Expired / Lapsed | 1986-12-03 | 1989-06-13 | 29 | Details |
| US4819174A | Road navigation system | Expired / Lapsed | 1987-01-29 | 1989-04-04 | 9 | Details |
| US4787829A | Turbomolecular pump | Expired / Lapsed | 1987-03-03 | 1988-11-29 | 10 | Details |
| DE3304620C2 | DE3304620C2 - - Google Patents | Expired / Lapsed | 1983-02-10 | 1988-11-10 | 0 | Details |
| US4782907A | Motor-driven power steering system for front and rear road … | Expired / Lapsed | 1987-04-21 | 1988-11-08 | 5 | Details |
| USD298326S | Memory card for a computer system | Expired / Lapsed | 1986-03-25 | 1988-11-01 | 1 | Details |
| USD298327S | Memory card for a computer system | Expired / Lapsed | 1986-03-25 | 1988-11-01 | 1 | Details |
| US4779272A | Testable variable-threshold non-volatile semiconductor memo… | Expired / Lapsed | 1986-10-27 | 1988-10-18 | 17 | Details |
| US4779259A | Optical head assembly with efficient light source coupling … | Expired / Lapsed | 1986-04-23 | 1988-10-18 | 6 | Details |
| USD297839S | Portable handset telephone or similar article | Expired / Lapsed | 1987-06-15 | 1988-09-27 | 1 | Details |
| US4764803A | Thin semiconductor card | Expired / Lapsed | 1987-03-17 | 1988-08-16 | 10 | Details |
| US4762194A | Motor-driven power steering system for a vehicle | Expired / Lapsed | 1987-03-19 | 1988-08-09 | 34 | Details |
| USD296893S | Telephone machine with TV receiver | Expired / Lapsed | 1986-04-11 | 1988-07-26 | 1 | Details |
| US4734889A | Semiconductor memory | Expired / Lapsed | 1986-03-06 | 1988-03-29 | 8 | Details |
| US4733371A | Semiconductor memory device with high voltage switch | Expired / Lapsed | 1986-08-26 | 1988-03-22 | 4 | Details |
| USD294831S | Portable computer | Expired / Lapsed | 1985-08-07 | 1988-03-22 | 1 | Details |
| US4720680A | Adjustable radio frequency coil for nuclear magnetic resona… | Expired / Lapsed | 1987-02-09 | 1988-01-19 | 16 | Details |
| USD293677S | Electronic computer | Expired / Lapsed | 1985-03-20 | 1988-01-12 | 1 | Details |
| USD293678S | Electronic computer | Expired / Lapsed | 1985-03-20 | 1988-01-12 | 1 | Details |
| US4716559A | Integrated optical device with improved isolation between t… | Expired / Lapsed | 1986-08-27 | 1987-12-29 | 11 | Details |
| US4688176A | Navigator for use aboard a vehicle | Expired / Lapsed | 1985-04-22 | 1987-08-18 | 6 | Details |
| US4686372A | Method and apparatus for measuring cell counts of Methanoge… | Expired / Lapsed | 1984-05-07 | 1987-08-11 | 15 | Details |
| US4677563A | Automotive navigation system | Expired / Lapsed | 1985-04-22 | 1987-06-30 | 9 | Details |
| US4649345A | NMR imaging method | Expired / Lapsed | 1985-08-16 | 1987-03-10 | 19 | Details |
| US4625285A | Robot controller with parallel processing of plural weighte… | Expired / Lapsed | 1984-06-07 | 1986-11-25 | 16 | Details |
| US4623042A | Elevator control apparatus | Expired / Lapsed | 1985-02-26 | 1986-11-18 | 11 | Details |
| US4596003A | Semiconductor memory | Expired / Lapsed | 1984-02-15 | 1986-06-17 | 9 | Details |
| US4594670A | Robot control apparatus | Expired / Lapsed | 1984-02-21 | 1986-06-10 | 12 | Details |
| US4592054A | Decoder with code error correcting function | Expired / Lapsed | 1983-08-29 | 1986-05-27 | 9 | Details |
| US4582034A | Ignition timing control device for internal combustion engi… | Expired / Lapsed | 1984-04-19 | 1986-04-15 | 12 | Details |
| US4582383A | Terminal apparatus and a batch inserting type test plug for… | Expired / Lapsed | 1983-12-19 | 1986-04-15 | 10 | Details |
| US4556957A | System for defining graphic patterns for a numerical contro… | Expired / Lapsed | 1983-08-30 | 1985-12-03 | 20 | Details |
| US4556940A | Robot vehicle | Expired / Lapsed | 1981-09-03 | 1985-12-03 | 2 | Details |
| US4554498A | Control apparatus for running moving object | Expired / Lapsed | 1982-03-16 | 1985-11-19 | 15 | Details |
| USD280217S | Talking mathematics trainer | Expired / Lapsed | 1983-03-04 | 1985-08-20 | 1 | Details |
| US4525125A | Pressure responsive pump control system having an alarm lamp | Expired / Lapsed | 1983-12-06 | 1985-06-25 | 8 | Details |
| US4525867A | Radio receiver | Expired / Lapsed | 1983-01-26 | 1985-06-25 | 4 | Details |
| US4521704A | Differential amplifying circuit | Expired / Lapsed | 1983-01-31 | 1985-06-04 | 9 | Details |
| US4500251A | Multijoint manipulator | Expired / Lapsed | 1983-02-01 | 1985-02-19 | 12 | Details |
| US4484814A | Superconductive magnet | Expired / Lapsed | 1983-05-18 | 1984-11-27 | 4 | Details |
| US4483570A | Magnetic bearing arrangement for an artificial satellite | Expired / Lapsed | 1983-02-25 | 1984-11-20 | 4 | Details |
| US4481926A | Fuel injection system for an internal combustion engine | Expired / Lapsed | 1982-08-09 | 1984-11-13 | 2 | Details |
| US4456814A | Arc welding apparatus including function generators for con… | Expired / Lapsed | 1983-01-11 | 1984-06-26 | 4 | Details |
| US4059405B1 | US4059405B1 - - Google Patents | Expired / Lapsed | 1976-08-19 | 1984-02-07 | 0 | Details |
| US4402387A | Elevator control system | Expired / Lapsed | 1981-07-21 | 1983-09-06 | 9 | Details |
| US4315135A | Thermal recording head | Expired / Lapsed | 1979-08-21 | 1982-02-09 | 7 | Details |
| US4312231A | Apparatus for generating and detecting an electromagnetic u… | Expired / Lapsed | 1979-07-06 | 1982-01-26 | 15 | Details |
| US4222079A | PCM Recording and reproducing system | Expired / Lapsed | 1978-10-11 | 1980-09-09 | 4 | Details |
| US4124101A | Elevator speed control apparatus | Expired / Lapsed | 1976-10-29 | 1978-11-07 | 5 | Details |
| US4059405A | Method and apparatus for analysis of constituent carried in… | Expired / Lapsed | 1976-08-19 | 1977-11-22 | 49 | Details |
| US4051898A | Static heat-and-moisture exchanger | Expired / Lapsed | 1972-04-24 | 1977-10-04 | 11 | Details |
| US4022977A | Automatic meter-reading and controlling system | Expired / Lapsed | 1975-12-17 | 1977-05-10 | 14 | Details |
| FR2223754B1 | FR2223754B1 - - Google Patents | Expired / Lapsed | 1974-03-21 | 1976-12-17 | 0 | Details |
| FR2223753B1 | FR2223753B1 - - Google Patents | Expired / Lapsed | 1974-03-21 | 1976-12-17 | 0 | Details |
| US3995275A | Reflector antenna having main and subreflector of diverse c… | Expired / Lapsed | 1974-06-25 | 1976-11-30 | 8 | Details |
| US3987434A | Angular deviation signal generator | Expired / Lapsed | 1975-05-27 | 1976-10-19 | 8 | Details |
| US3922667A | Image or segment pattern forming X-Y matrix addressing meth… | Expired / Lapsed | 1974-03-20 | 1975-11-25 | 9 | Details |
| US3878512A | Data transmitting system | Expired / Lapsed | 1973-08-29 | 1975-04-15 | 32 | Details |
| US3852524A | Stereoscopic television system | Expired / Lapsed | 1972-02-09 | 1974-12-03 | 12 | Details |
| US3846639A | Control system for electric installations for use on vehicle | Expired / Lapsed | 1973-03-21 | 1974-11-05 | 5 | Details |
| US3821559A | Control system for electric installations | Expired / Lapsed | 1973-01-02 | 1974-06-28 | 11 | Details |
| US3817344A | Apparatus for controlling vehicular speed and interspacing | Expired / Lapsed | 1972-09-25 | 1974-06-18 | 11 | Details |
| US3791356A | Device for controlling ignition times for internal combusti… | Expired / Lapsed | 1971-09-27 | 1974-02-12 | 5 | Details |
| US3757125A | Optical tracking apparatus | Expired / Lapsed | 1971-12-17 | 1973-09-04 | 5 | Details |
| US3754273A | Corrugated waveguide | Expired / Lapsed | 1971-10-15 | 1973-08-21 | 7 | Details |
| US3750100A | System for sensing collision of motor vehicles | Expired / Lapsed | 1972-03-09 | 1973-07-31 | 7 | Details |
| US3736063A | Comparison system for determining shape and intensity of il… | Expired / Lapsed | 1970-08-07 | 1973-05-29 | 9 | Details |
| US3703652A | Electroacoustic transducer | Expired / Lapsed | 1971-02-22 | 1972-11-21 | 5 | Details |
| US3694610A | Process for preparing a metal mold by electrical machining | Expired / Lapsed | 1971-12-06 | 1972-09-26 | 9 | Details |
| US3689159A | Laser processing apparatus | Expired / Lapsed | 1970-06-22 | 1972-09-05 | 11 | Details |
| US3668551A | Solid state microwave oscillator with ceramic capacitance t… | Expired / Lapsed | 1970-11-02 | 1972-06-06 | 12 | Details |
| US3666007A | Apparatus for effecting continuous and simultaneous transfe… | Expired / Lapsed | 1970-03-17 | 1972-05-30 | 20 | Details |
| US3661459A | System for preventing collision of vehicles | Expired / Lapsed | 1970-09-10 | 1972-05-09 | 4 | Details |
| US3606541A | Contact-less probe system | Expired / Lapsed | 1969-09-23 | 1971-09-20 | 0 | Details |
| US3590220A | Apparatus for determining the amount of a product consumed … | Expired / Lapsed | 1967-09-27 | 1971-06-29 | 15 | Details |
| US3534243A | Inverter with starting circuit | Expired / Lapsed | 1968-01-23 | 1970-10-13 | 0 | Details |
| US3509629A | Portable and adjustable contra-angle dental instrument | Expired / Lapsed | 1967-09-27 | 1970-05-05 | 0 | Details |
| US3503068A | Range tracking system | Expired / Lapsed | 1968-01-25 | 1970-03-24 | 0 | Details |
| US3474444A | Collision preventing system | Expired / Lapsed | 1968-02-29 | 1969-10-21 | 0 | Details |
| US3375812A | Ignition device for internal combustion engine | Expired / Lapsed | 1965-11-29 | 1968-04-02 | 0 | Details |
| US3299427A | Radar system | Expired / Lapsed | 1964-05-12 | 1967-01-17 | 2 | Details |
| US3155947A | Flip-flop circuit | Expired / Lapsed | 1960-11-29 | 1964-11-03 | 1 | Details |
| US1997193A | Permanent magnet and method of manufacturing same | Expired / Lapsed | 1932-06-16 | 1935-04-09 | 0 | Details |