Inventor · disambiguated record
Akira Matsumura
Also filed as: MATSUMURA AKIRA
47 granted patents·15 pending applications·812 citations·filing 1976–2021
98Inventor score
Top patents by PatentIndex Score
62 records- 0198US10224240B1Distortion reduction of memory openings in a multi-tier memory device through thermal cycle controlSANDISK TECHNOLOGIES LLC·Filed 2017·Granted Mar 5, 2019·45 cites·10 claims
- 0293US4981939ABinder for a toner comprising a polyester from rosin or hydrogenated rosinNIPPON SYNTHETIC CHEM IND·Filed 1989·Granted Jan 1, 1991·77 cites·1 claims
- 0393US4311876ARoute guidance system for roadway vehiclesNISSAN MOTOR·Filed 1978·Granted Jan 19, 1982·85 cites·19 claims
- 0490US4968575AA toner composition comprising a rosin-containing polyesterNIPPON SYNTHETIC CHEM IND·Filed 1988·Granted Nov 6, 1990·50 cites·5 claims
- 0589US5881211AData conversion table changingDAINIPPON SCREEN MFG·Filed 1996·Granted Mar 9, 1999·122 cites·38 claims
- 0684US9278967B2Substituted-quinoxaline-type piperidine compounds and the uses thereofPURDUE PHARMA LP·Filed 2014·Granted Mar 8, 2016·6 cites·20 claims
- 0782US4104621ASteering-wheel reversal driver alertness monitorNISSAN MOTOR·Filed 1976·Granted Aug 1, 1978·27 cites·4 claims
- 0881US7935706B2Nitrogen-containing heterocycle derivatives substituted with cyclic groupSHIONOGI & CO·Filed 2007·Granted May 3, 2011·4 cites·6 claims
- 0981US4168499AAnti-collision radar system provided with circuitry for monitoring driver'sNISSAN MOTOR·Filed 1978·Granted Sep 18, 1979·31 cites·12 claims
- 1079US4745141AUnsaturated polyester resin coating compositionNIPPON SYNTHETIC CHEM IND·Filed 1987·Granted May 17, 1988·33 cites·4 claims
- 1178US8659122B2Semiconductor device and manufacturing method thereofMATSUMURA AKIRA·Filed 2011·Granted Feb 25, 2014·6 cites·7 claims
- 1277US6570233B2Method of fabricating an integrated circuitMITSUBISHI ELECTRIC CORP·Filed 2001·Granted May 27, 2003·23 cites·12 claims
- 1367US8980241B2Polymerized cyclic nitroxide radical compound and use thereofNAGASAKI YUKIO·Filed 2008·Granted Mar 17, 2015·3 cites·4 claims
- 1467US6511878B1Manufacturing method for semiconductor device with a larger contact hole openingMITSUBISHI ELECTRIC CORP·Filed 2002·Granted Jan 28, 2003·13 cites·3 claims
- 1567US4902592AProduction of color displayNIPPON PAINT CO LTD·Filed 1988·Granted Feb 20, 1990·26 cites·7 claims
- 1667US4361904AMethod of testing transceiver and transceiver including testing apparatusNISSAN MOTOR·Filed 1980·Granted Nov 30, 1982·26 cites·17 claims
- 1765US10870661B2Nitrogen-containing tricyclic derivatives having HIV replication inhibitory activitySHIONOGI & CO·Filed 2019·Granted Dec 22, 2020·0 cites·21 claims
- 1865US6406374B1Outer ring of a constant velocity universal joint and manufacturing method for the sameAIDA ENG LTD·Filed 2000·Granted Jun 18, 2002·10 cites·18 claims
- 1963US10600803B2Semiconductor memory deviceTOSHIBA MEMORY CORP·Filed 2018·Granted Mar 24, 2020·1 cites·20 claims
- 2063US2021082954A1Semiconductor memory deviceTOSHIBA MEMORY CORP·Filed 2020·Application pending·0 cites
- 2162US4373161ADoppler radar mounting structure for motor vehiclesHITACHI LTD·Filed 1980·Granted Feb 8, 1983·18 cites·8 claims
- 2262US4316173ADoppler radar vehicle speed sensing system including means for checking system operation based on the detection of low frequency Doppler frequency componentsHITACHI LTD·Filed 1980·Granted Feb 16, 1982·18 cites·4 claims
- 2362US2020212066A1Semiconductor memory deviceTOSHIBA MEMORY CORP·Filed 2020·Application pending·0 cites
- 2461US5439582AProcess for producing multicolor displayNIPPON PAINT CO LTD·Filed 1991·Granted Aug 8, 1995·17 cites·5 claims
- 2561US4354191AGround-speed Doppler radar for vehiclesNISSAN MOTOR·Filed 1980·Granted Oct 12, 1982·17 cites·12 claims
- 2660US2022106561A1Nerve bundle and production method of nerve bundleUNIV TSUKUBA·Filed 2021·Application pending·0 cites
- 2758US6730563B2Method of manufacturing semiconductor deviceRENESAS TECH CORP·Filed 2003·Granted May 4, 2004·6 cites·4 claims
- 2858US5663019AProcess for producing multicolor displayNIPPON PAINT CO LTD·Filed 1992·Granted Sep 2, 1997·22 cites·4 claims
- 2957US5181984AProduction of solder masked electric circuit boardsNIPPON PAINT CO LTD·Filed 1991·Granted Jan 26, 1993·19 cites·3 claims
- 3055US4224609ADriving assurance system for wheeled vehiclesNISSAN MOTOR·Filed 1978·Granted Sep 23, 1980·10 cites·4 claims
- 3155US2023364303A1Nerve fascicle and method of producing nerve fascicleUNIV TSUKUBA·Filed 2021·Application pending·0 cites
- 3254US4769485APreparation of alkenoyl isocyanatesNIPPON PAINT CO LTD·Filed 1986·Granted Sep 6, 1988·4 cites·8 claims
- 3354US4332993ABuilt-in type microwave ovenTOKYO SHIBAURA ELECTRIC CO·Filed 1981·Granted Jun 1, 1982·17 cites·2 claims
- 3451US5186801AProduction of color filterNIPPON PAINT CO LTD·Filed 1991·Granted Feb 16, 1993·10 cites·5 claims
- 3550US9468688B2Boron cluster-modified PEG lipid derivative, and molecular assembly using sameUNIV TSUKUBA·Filed 2013·Granted Oct 18, 2016·0 cites·16 claims
- 3649US10494380B2Nitrogen-containing tricyclic derivatives having HIV replication inhibitory activitySHIONOGI & CO·Filed 2016·Granted Dec 3, 2019·0 cites·37 claims
- 3749US6250121B1Method for molding metal using high fluid pressureAIDA ENG LTD·Filed 2000·Granted Jun 26, 2001·1 cites·8 claims
- 3848US5587274AResist compositionNIPPON PAINT CO LTD·Filed 1994·Granted Dec 24, 1996·12 cites·5 claims
- 3948US2022211764A1Neural cell population, neural cell-containing preparation, and method for producing said population and preparationUNIV TSUKUBA·Filed 2020·Application pending·0 cites
- 4046US2011172415A1Nitrogen-containing heterocycle derivatives substituted with cyclic groupSHIONOGI & CO·Filed 2011·Application pending·0 cites
- 4146US2011190300A1Amide compounds and the use thereofMATSUMURA AKIRA·Filed 2008·Application pending·0 cites
- 4245US5315409AMethod of and apparatus for obtaining binary imageDAINIPPON SCREEN MFG·Filed 1992·Granted May 24, 1994·19 cites·16 claims
- 4345US2006078191A1Apparatus and method for detecting defect on objectDAINIPPON SCREEN MFG·Filed 2005·Application pending·0 cites
- 4444US8937181B2Benzenesulfonamide compounds and the use thereofMATSUMURA AKIRA·Filed 2007·Granted Jan 20, 2015·0 cites·35 claims
- 4544US2009298878A1Oxime compounds and the use thereofMATSUMURA AKIRA·Filed 2007·Application pending·0 cites
- 4642US5531881AMethod for correcting defect in color filterNIPPON PAINT CO LTD·Filed 1995·Granted Jul 2, 1996·11 cites·12 claims
- 4741US2019123055A1Semiconductor memory device and method for manufacturing sameTOSHIBA MEMORY CORP·Filed 2018·Application pending·0 cites
- 4840US4373074AAcetylene-conjugated diene polymerizationNIPPON PAINT CO LTD·Filed 1981·Granted Feb 8, 1983·4 cites·7 claims
- 4939US2004137680A1Manufacturing method of semiconductor deviceRENESAS TECH CORP·Filed 2003·Application pending·0 cites
- 5038US6815318B2Manufacturing method of semiconductor deviceRENESAS TECH CORP·Filed 2003·Granted Nov 9, 2004·0 cites·5 claims
Showing the top 50 of 62 patent records by PatentIndex Score.
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