Inventor · disambiguated record
Ken Matsubara
Also filed as: MATSUBARA KEN
85 granted patents·20 pending applications·901 citations·filing 1986–2025
99Inventor score
Top patents by PatentIndex Score
105 records- 0197US5075724ASystem for recognizing interchangeable articlesMINOLTA CAMERA KK·Filed 1989·Granted Dec 24, 1991·69 cites·18 claims
- 0295US7604088B2Electric power steering systemJTEKT CORP·Filed 2005·Granted Oct 20, 2009·53 cites·3 claims
- 0394US7791293B2Motor controller and electric power steering systemJTEKT CORP·Filed 2008·Granted Sep 7, 2010·32 cites·10 claims
- 0491US6046936ASemiconductor, memory card, and data processing systemHITACHI LTD·Filed 1999·Granted Apr 4, 2000·65 cites·15 claims
- 0589US6333871B1Nonvolatile semiconductor memory including a controller for providing an improved reprogram operationHITACHI LTD·Filed 2000·Granted Dec 25, 2001·39 cites·18 claims
- 0688US7581058B2Non-volatile memory having multiple erase operationsRENESAS TECH CORP·Filed 2007·Granted Aug 25, 2009·16 cites·3 claims
- 0787US9199526B2Vehicle and vehicle driving deviceJTEKT CORP·Filed 2014·Granted Dec 1, 2015·11 cites·10 claims
- 0887US6992936B2Semiconductor, memory card, and data processing systemHITACHI ULSI SYS CO LTD·Filed 2004·Granted Jan 31, 2006·31 cites·8 claims
- 0984US4887104AElectrooptical light shutter device and printer apparatus using sameMINOLTA CAMERA KK·Filed 1987·Granted Dec 12, 1989·37 cites·34 claims
- 1081US9947409B2Flash memoryRENESAS ELECTRONICS CORP·Filed 2017·Granted Apr 17, 2018·3 cites·11 claims
- 1181US6507520B2Nonvolatile memory systemHITACHI LTD·Filed 2001·Granted Jan 14, 2003·22 cites·8 claims
- 1280US6892588B2Torque sensorKOYO SEIKO CO·Filed 2003·Granted May 17, 2005·23 cites·16 claims
- 1379US6958940B2Nonvolatile semiconductor memory device capable of realizing optimized erasing operation in a memory arrayHITACHI ULSI SYS CO LTD·Filed 2002·Granted Oct 25, 2005·23 cites·18 claims
- 1478US9358925B2Warning device for vehicleJTEKT CORP·Filed 2014·Granted Jun 7, 2016·7 cites·12 claims
- 1577US11652374B2Rotary electrical machine with stator core having powder bodies within holesDENSO CORP·Filed 2019·Granted May 16, 2023·1 cites·10 claims
- 1677US7233529B2System for erasing nonvolatile memoryRENESAS TECH CORP·Filed 2004·Granted Jun 19, 2007·20 cites·7 claims
- 1775US7095657B2Nonvolatile semiconductor memory device capable of realizing optimized erasing operation in a memory arrayHITACHI ULSI SYSTEMS CO INC·Filed 2005·Granted Aug 22, 2006·10 cites·7 claims
- 1873US7719900B2Semiconductor storage device having memory cell for storing data by using difference in threshold voltageRENESAS TECH CORP·Filed 2006·Granted May 18, 2010·9 cites·7 claims
- 1972US8174901B2Semiconductor integrated circuit deviceMATSUBARA KEN·Filed 2010·Granted May 8, 2012·6 cites·18 claims
- 2072US2024126472A1Semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2023·Application pending·0 cites
- 2171US8408353B2Vehicle steering apparatusNAGASE SHIGEKI·Filed 2009·Granted Apr 2, 2013·6 cites·17 claims
- 2271US5671076AImage display device using vibrating mirrorMINOLTA CO LTD·Filed 1995·Granted Sep 23, 1997·31 cites·20 claims
- 2370US7334080B2Nonvolatile memory with independent access capability to associated bufferRENESAS TECH CORP·Filed 2002·Granted Feb 19, 2008·15 cites·60 claims
- 2470US6233174B1Non volatile semiconductor, memoryHITACHI LTD·Filed 2000·Granted May 15, 2001·12 cites·16 claims
- 2570US4967240ARecording apparatusMINOLTA CAMERA KK·Filed 1989·Granted Oct 30, 1990·17 cites·10 claims
- 2669US6201559B1Method for measuring the quantity of light emergent from an optical tip array and image forming apparatus provided with an optical tip arrayMINOLTA CO LTD·Filed 1997·Granted Mar 13, 2001·26 cites·48 claims
- 2768US7837002B2Electric power steering apparatusJTEKT CORP·Filed 2008·Granted Nov 23, 2010·7 cites·14 claims
- 2868US7012836B2Nonvolatile memory and method of restoring of failure memory cellRENESAS TECH CORP·Filed 2004·Granted Mar 14, 2006·16 cites·10 claims
- 2965US7839039B2Brushless motorJTEKT CORP·Filed 2007·Granted Nov 23, 2010·4 cites·3 claims
- 3064US8335112B2Nonvolatile semiconductor memory deviceKONO TAKASHI·Filed 2010·Granted Dec 18, 2012·3 cites·11 claims
- 3164US5206684ARecording apparatus including a memory into which information is written in a particular order and from which memory information is read in the reverse orderMINOLTA CAMERA KK·Filed 1990·Granted Apr 27, 1993·15 cites·19 claims
- 3263US9518061B2Substituted pyrazolylpyrazole derivative and use of same as herbicideKYOYU AGRI CO LTD·Filed 2014·Granted Dec 13, 2016·0 cites·6 claims
- 3363US5247387AMethod and device for driving electro-optical light shutterMINOLTA CAMERA KK·Filed 1991·Granted Sep 21, 1993·10 cites·14 claims
- 3462US11679437B2Compressed powder magnetic core, powder for magnetic core, and production methods thereforDENSO CORP·Filed 2018·Granted Jun 20, 2023·0 cites·6 claims
- 3562US6504764B2Non-volatile memory deviceHITACHI LTD·Filed 2001·Granted Jan 7, 2003·8 cites·11 claims
- 3661US6721207B2Non-volatile memory system including a control device to control writing, reading and storage and output operations of non-volatile devices including memory cells and data latchesRENESAS TECH CORP·Filed 2002·Granted Apr 13, 2004·8 cites·4 claims
- 3760US6456526B2Non-volatile memory device operation in response to two different types of read commands and a write command which includes write verificationHITACHI LTD·Filed 2001·Granted Sep 24, 2002·7 cites·10 claims
- 3860US4854678AElectro-optical light shutter deviceMINOLTA CAMERA KK·Filed 1987·Granted Aug 8, 1989·20 cites·18 claims
- 3960US2025322894A1Method of manufacturing semiconductor device and semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2025·Application pending·0 cites
- 4060US2022382483A1Semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2022·Application pending·0 cites
- 4160US2024077120A1Disc brake device and method for assembling sameAKEBONO BRAKE IND·Filed 2023·Application pending·0 cites
- 4259US7235905B2Electric power steering assemblyKOYO SEIKO CO·Filed 2004·Granted Jun 26, 2007·10 cites·18 claims
- 4359US5103267AImage forming system for performing simplex and duplex recordingMINOLTA CAMERA KK·Filed 1990·Granted Apr 7, 1992·12 cites·20 claims
- 4458US11328848B2Dust core, powder for magnetic cores, and methods of manufacturing themDENSO CORP·Filed 2018·Granted May 10, 2022·0 cites·5 claims
- 4558US10255956B2Semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2017·Granted Apr 9, 2019·1 cites·7 claims
- 4658US8689926B2Vehicle steering apparatus and manufacturing method of sameNAGASE SHIGEKI·Filed 2009·Granted Apr 8, 2014·2 cites·10 claims
- 4757US5011271ALight shutter arrays for forming imagesMINOLTA CAMERA KK·Filed 1988·Granted Apr 30, 1991·17 cites·29 claims
- 4856US10258041B2Substituted pyrazolylpyrazole derivative and use of same as herbicideKYOYU AGRI CO LTD·Filed 2016·Granted Apr 16, 2019·0 cites·6 claims
- 4956US7773426B2Data processing system and nonvolatile memoryRENESAS TECH CORP·Filed 2008·Granted Aug 10, 2010·2 cites·5 claims
- 5056US7085189B2Nonvolatile semiconductor storage deviceRENESAS TECH CORP·Filed 2002·Granted Aug 1, 2006·9 cites·7 claims
Showing the top 50 of 105 patent records by PatentIndex Score.
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