← Back to Companies

Oki Electric Industry Co Ltd

Oki Electr
Active Patents
0
Total Holdings
133

Patent Holdings

Filter in Explorer →
Patent No. Title Status Filing Date Grant Date Claims Actions
JP2007241716A Emergency call system Expired / Lapsed 2006-03-09 — 0 Details
JP2005242786A Form identification apparatus and form identification method Expired / Lapsed 2004-02-27 — 0 Details
JP2003202792A Process cartridge and image forming apparatus Expired / Lapsed 2002-01-07 — 0 Details
JP2001143465A Dynamic random access memory Expired / Lapsed 1999-11-18 — 0 Details
JP2000294948A Cover opening and closing mechanism Expired / Lapsed 1999-04-02 — 0 Details
JPH11174772A Electrophotographic recording device Expired / Lapsed 1997-12-12 — 0 Details
JPH11134189A Memory card, authentication data creation device, and memor… Expired / Lapsed 1997-10-30 — 0 Details
EP0863682A1 Mobile communication system Expired / Lapsed 1997-06-26 — 14 Details
EP0817428A2 Traffic shaper with multiply queued virtual paths Expired / Lapsed 1997-06-11 — 24 Details
EP0786706A1 Toner cartridge and drum cartridge for receiving the toner … Expired / Lapsed 1997-01-22 — 20 Details
JPH103389A Parallel computer Expired / Lapsed 1996-06-14 — 0 Details
JPH09322273A Pseudo biological control system Expired / Lapsed 1996-05-31 — 0 Details
EP0707425A2 Methods of coding and decoding moving-picture signals, usin… Expired / Lapsed 1995-09-29 — 35 Details
EP0680034A1 Mobile radio communication system using a sound or voice ac… Expired / Lapsed 1995-04-25 — 20 Details
EP0676908A2 Hand-over method for mobile communication Expired / Lapsed 1995-04-07 — 18 Details
JPH08111867A Video coding method and video decoding method Expired / Lapsed 1994-10-13 — 0 Details
EP0654909A1 Code excitation linear prediction encoder and decoder Expired / Lapsed 1993-06-10 — 14 Details
EP0472128A2 Constant-voltage generation circuit Expired / Lapsed 1991-08-16 — 10 Details
JPH04297000A Vehicle group information collecting system by inter-vehicl… Expired / Lapsed 1991-03-26 — 0 Details
EP0441227A2 Electrophotographic printing apparatus Expired / Lapsed 1991-01-29 — 3 Details
EP0435596A2 Mechanism and method for mounting and removing a toner cart… Expired / Lapsed 1990-12-21 — 6 Details
JPH04199941A Congestion control method for inter-network repeating insta… Expired / Lapsed 1990-11-29 — 0 Details
EP0597507A1 Cylindrical toner cartridge for electrophotographic printer Expired / Lapsed 1990-10-16 — 7 Details
EP0410712A1 Optical switch Expired / Lapsed 1990-07-25 — 14 Details
EP0366014A2 Three-dimensional image generator Expired / Lapsed 1989-10-20 — 12 Details
EP0345818A2 Route guidance system for a mobile telecommunication system Expired / Lapsed 1989-06-12 — 16 Details
JPH02267773A Magnetic stripe processor Expired / Lapsed 1989-04-07 — 0 Details
EP0312917A2 Self-routing multistage switching network for fast packet s… Expired / Lapsed 1988-10-14 — 9 Details
EP0272939A2 Dynamic buffer supervising system for a data link access pr… Expired / Lapsed 1987-12-23 — 16 Details
JPH01146464A Agc circuit in picture reader Expired / Lapsed 1987-12-03 — 0 Details
JPS6444935A Pattern forming method Expired / Lapsed 1987-08-13 — 0 Details
EP0256768A2 Transaction processing apparatus Expired / Lapsed 1987-08-05 — 8 Details
EP0197545A2 Error control encoding system, method and device Expired / Lapsed 1986-04-08 — 11 Details
JPS62232221A Pll synthesizer circuit Expired / Lapsed 1986-04-02 — 0 Details
GB2172176A Synchronisation of start of data signals Expired / Lapsed 1986-03-07 — 5 Details
JPS6139946A Method and apparatus for reproducing optical memory Expired / Lapsed 1984-07-31 — 0 Details
JPS60201764A Incoming call control system of digital telephone exchange Expired / Lapsed 1984-03-27 — 0 Details
JPS5986471A Brushless linear motor Expired / Lapsed 1982-11-08 — 0 Details
JPS5943342A Humidity sensor material Expired / Lapsed 1982-09-06 — 0 Details
DE3005738A1 NUMERICAL CONTROL DEVICE FOR A MACHINE TOOL Expired / Lapsed 1980-02-15 — 0 Details
DE2928304A1 THERMAL RECORDING DEVICE Expired / Lapsed 1979-07-13 — 0 Details
DE2914099A1 ULTRASONIC PROBE Expired / Lapsed 1979-04-07 — 0 Details
GB2003355A Digital scan converter Expired / Lapsed 1978-08-09 — 0 Details
DE2826296A1 DEVICE FOR AUTOMATIC POSITIONING OF A CARRIAGE AT A REFEREN… Expired / Lapsed 1978-06-15 — 0 Details
JPS5380284A Vibration detector Expired / Lapsed 1976-12-25 — 0 Details
JPS521829A Vehicle emergency state transmission system Expired / Lapsed 1975-06-24 — 0 Details
DE2436988B2 Method for detecting blockages of the openings of an openin… Expired / Lapsed 1974-08-01 — 0 Details
DE2325662B2 Ribbon device for a high-speed printer Expired / Lapsed 1973-05-21 — 0 Details
US6336585B1 Memory card insertion type electronic equipment and apparat… Expired / Lapsed 1998-10-30 2002-01-08 14 Details
US6338048B1 Electronic transaction system Expired / Lapsed 1997-09-12 2002-01-08 19 Details
US6307954B1 Eye image recognition method, eye image selection method an… Expired / Lapsed 2000-02-04 2001-10-23 9 Details
US6243681B1 Multiple language speech synthesizer Expired / Lapsed 2000-03-14 2001-06-05 31 Details
US6243861B1 Object-oriented visual program development system for handl… Expired / Lapsed 1998-02-05 2001-06-05 28 Details
US6195521B1 Developer cartridge with a groove receiving a projection fr… Expired / Lapsed 2000-04-10 2001-02-27 23 Details
US6169821B1 Picture coder, picture decoder, and picture transmission sy… Expired / Lapsed 1996-09-17 2001-01-02 122 Details
US5999995A Systems for adjusting a transfer rate between a host and a … Expired / Lapsed 1997-12-19 1999-12-07 11 Details
EP0256768B1 Transaction processing apparatus Expired / Lapsed 1987-08-05 1994-03-02 10 Details
USD339322S Battery pack for a portable radio telephone Expired / Lapsed 1991-01-07 1993-09-14 1 Details
USD337763S Portable ratiotelephone Expired / Lapsed 1992-02-18 1993-07-27 1 Details
USD329040S Battery pack for a portable radio telephone Expired / Lapsed 1991-01-07 1992-09-01 1 Details
USD328056S Battery charger for a portable radio telephone battery pack Expired / Lapsed 1991-01-07 1992-07-21 1 Details
USD326450S Automotive telephone control unit Expired / Lapsed 1991-01-07 1992-05-26 1 Details
USD323325S Portable radio telephone Expired / Lapsed 1990-09-25 1992-01-21 1 Details
USD323324S Video display Expired / Lapsed 1989-12-28 1992-01-21 1 Details
USD317912S Video display Expired / Lapsed 1989-05-26 1991-07-02 1 Details
USD317762S Automotive telephone control unit Expired / Lapsed 1990-02-13 1991-06-25 1 Details
USD316410S Portable radio telephone Expired / Lapsed 1990-08-21 1991-04-23 1 Details
US4997518A Method for forming an electrode layer by a laser flow techn… Expired / Lapsed 1990-03-16 1991-03-05 24 Details
USD312248S Personal computer Expired / Lapsed 1989-03-13 1990-11-20 1 Details
EP0168836B1 Ic card and ic card reader Expired / Lapsed 1985-07-19 1990-11-07 3 Details
US4961160A Linear predictive coding analysing apparatus and bandlimiti… Expired / Lapsed 1988-04-27 1990-10-02 3 Details
USD308970S Video communications terminals including housing, telephone… Expired / Lapsed 1988-12-21 1990-07-03 1 Details
USD307016S Charger for a portable radio telephone Expired / Lapsed 1989-03-13 1990-04-03 1 Details
USD306294S Portable radio telephone Expired / Lapsed 1989-03-08 1990-02-27 1 Details
USD306291S Portable radio telephone Expired / Lapsed 1988-10-25 1990-02-27 1 Details
US4868868A Sub-band speech analyzing and synthesizing device Expired / Lapsed 1987-09-23 1989-09-19 12 Details
USD302271S Automotive telephone control unit Expired / Lapsed 1988-05-23 1989-07-18 1 Details
USD301882S Automotive telephone control unit Expired / Lapsed 1988-05-23 1989-06-27 1 Details
USD300429S Combined handset radio telephone and stand with antenna Expired / Lapsed 1987-08-13 1989-03-28 1 Details
US4814943A Printed circuit devices using thermoplastic resin cover pla… Expired / Lapsed 1987-06-02 1989-03-21 8 Details
US4806499A Method of manufacturing Bi-CMOS semiconductor IC devices us… Expired / Lapsed 1987-07-31 1989-02-21 6 Details
USD298829S Handset telephone and stand for vehicles Expired / Lapsed 1986-12-17 1988-12-06 1 Details
USD298321S Portable handset radio telephone Expired / Lapsed 1987-06-25 1988-11-01 1 Details
USD298243S Portable radio telephone Expired / Lapsed 1987-06-25 1988-10-25 1 Details
USD298241S Portable handset radio telephone Expired / Lapsed 1987-06-18 1988-10-25 1 Details
USD298036S Portable handset radio telephone Expired / Lapsed 1987-06-25 1988-10-11 1 Details
USD298035S Portable handset radio telephone Expired / Lapsed 1987-06-25 1988-10-11 1 Details
USD297639S Combination handset telephone, its stand, and a carrier cas… Expired / Lapsed 1986-12-17 1988-09-13 1 Details
US4733097A High signal to noise ratio optical image reader Expired / Lapsed 1986-05-20 1988-03-22 6 Details
US4686386A Power-down circuits for dynamic MOS integrated circuits Expired / Lapsed 1985-03-18 1987-08-11 4 Details
USD291199S Handset for mobile telephone Expired / Lapsed 1985-09-30 1987-08-04 1 Details
US4635165A Printed-circuit construction with EPROM IC chip mounted the… Expired / Lapsed 1984-11-29 1987-01-06 4 Details
US4576490A Multihead serial printer Expired / Lapsed 1984-12-10 1986-03-18 6 Details
USD277377S Telephone set Expired / Lapsed 1982-06-17 1985-01-29 1 Details
USD274061S Facsimile transceiver Expired / Lapsed 1981-08-21 1984-05-29 1 Details
USD272350S Console unit for data communication Expired / Lapsed 1981-03-20 1984-01-24 1 Details
USD271490S Telephone set Expired / Lapsed 1981-07-06 1983-11-22 1 Details
USD271489S Telephone set Expired / Lapsed 1981-07-06 1983-11-22 1 Details
USD270637S Dialing pad Expired / Lapsed 1981-07-06 1983-09-20 1 Details
USD270248S Telephone set Expired / Lapsed 1980-10-21 1983-08-23 1 Details
USD267318S Portable wireless telephone set Expired / Lapsed 1980-10-22 1982-12-21 1 Details
USD267317S Telephone set Expired / Lapsed 1980-10-08 1982-12-21 1 Details
USD267316S Car telephone set Expired / Lapsed 1980-07-14 1982-12-21 1 Details
USD267249S Transceiver for a car telephone set Expired / Lapsed 1980-06-16 1982-12-14 1 Details
USD267091S Telephone set Expired / Lapsed 1980-09-04 1982-11-30 1 Details
USD265735S Dialing pad for a car telephone set Expired / Lapsed 1980-06-17 1982-08-10 1 Details
USD265733S Telephone set Expired / Lapsed 1980-04-28 1982-08-10 1 Details
USD265648S Dialing pad for a car telephone set Expired / Lapsed 1980-06-17 1982-08-03 1 Details
USD265402S Transceiver for a car telephone set Expired / Lapsed 1980-06-17 1982-07-13 1 Details
USD264078S Portable wireless telephone set Expired / Lapsed 1979-10-05 1982-04-27 1 Details
USD264077S Telephone set Expired / Lapsed 1979-09-24 1982-04-27 1 Details
USD263707S Dialing pad Expired / Lapsed 1979-11-16 1982-04-06 1 Details
USD263706S Portable wireless telephone set Expired / Lapsed 1979-09-24 1982-04-06 1 Details
USD263704S Portable wireless telephone set Expired / Lapsed 1979-09-04 1982-04-06 1 Details
USD263705S Portable wireless telephone set Expired / Lapsed 1979-09-04 1982-04-06 1 Details
USD263703S Portable wireless telephone set Expired / Lapsed 1979-09-04 1982-04-06 1 Details
USD263702S Vehicular telephone set Expired / Lapsed 1979-07-05 1982-04-06 1 Details
USD263590S Remote telephone dialing touch-pad Expired / Lapsed 1979-09-24 1982-03-30 1 Details
GB2005833B Ultrasonic imaging system Expired / Lapsed 1978-09-13 1982-03-10 0 Details
USD256234S Vehicular telephone set or similar article Expired / Lapsed 1978-04-26 1980-08-05 1 Details
US4186344A Frequency converter Expired / Lapsed 1977-12-14 1980-01-29 7 Details
US4184781A Defect detector Expired / Lapsed 1978-04-10 1980-01-22 14 Details
USD252752S Telephone set Expired / Lapsed 1977-08-04 1979-08-28 1 Details
US4163284A NC tape producing system Expired / Lapsed 1977-09-12 1979-07-31 6 Details
US4136274A Thermal head for a printer Expired / Lapsed 1977-04-05 1979-01-23 16 Details
US4084243A Cutter radius compensation system Expired / Lapsed 1976-05-13 1978-04-11 3 Details
USD247491S Telephone set Expired / Lapsed 1976-12-15 1978-03-14 1 Details
USD246784S Telephone set Expired / Lapsed 1976-10-26 1977-12-27 1 Details
US4038530A Hybrid computer for displaying sound rays of a sonar system Expired / Lapsed 1975-07-24 1977-07-26 4 Details
US3972052A Compensation apparatus for high speed dot printer Expired / Lapsed 1973-10-24 1976-07-27 6 Details
US3115092A High speed belt printer Expired / Lapsed 1962-08-20 1963-12-24 2 Details
US3078349A Push button type telephone calling device Expired / Lapsed 1960-08-31 1963-02-19 2 Details
US3007399A High speed printer Expired / Lapsed 1959-06-08 1961-11-07 0 Details