Inventor · disambiguated record
Akira Ichikawa
Also filed as: AMINO IKUO · HIROSE KAZUHITO · ICHIKAWA AKIRA · ICHIKAWA AKIRA FAXON
97 granted patents·10 pending applications·2,859 citations·filing 1976–2023
99Inventor score
Top patents by PatentIndex Score
107 records- 0198US6279390B1Thermostat malfunction detecting system for engine cooling systemDENSO CORP·Filed 1997·Granted Aug 28, 2001·73 cites·16 claims
- 0297US6521915B2Light-emitting diode deviceASAHI RUBBER INC·Filed 2001·Granted Feb 18, 2003·189 cites·15 claims
- 0397US6319425B1Transparent coating member for light-emitting diodes and a fluorescent color light sourceASAHI RUBBER INC·Filed 2000·Granted Nov 20, 2001·192 cites·48 claims
- 0496US6898927B2Emission control system with catalyst warm-up speeding controlDENSO CORP·Filed 2002·Granted May 31, 2005·99 cites·17 claims
- 0595US6679110B2Thermostat malfunction detecting system for engine cooling systemDENSO CORP·Filed 2002·Granted Jan 20, 2004·32 cites·16 claims
- 0695US6500536B1Heat activatable adhesive composition and adhesive sheet having adhesive layer thereofRICOH KK·Filed 2000·Granted Dec 31, 2002·54 cites·14 claims
- 0794US6501495B1Heat activating and thermosensitive recording for thermosensitive adhesive labelRICOH KK·Filed 2000·Granted Dec 31, 2002·60 cites·14 claims
- 0893US6386022B1Thermostat malfunction detecting system for engine cooling systemDENSO CORP·Filed 2000·Granted May 14, 2002·28 cites·16 claims
- 0992US7743651B2Method for detecting malfunction of a cooling system based on detected coolant temperatureDENSO CORP·Filed 2008·Granted Jun 29, 2010·12 cites·2 claims
- 1092US4963865AApparatus for displaying travel pathHONDA MOTOR CO LTD·Filed 1987·Granted Oct 16, 1990·98 cites·4 claims
- 1191US7363804B2Method for detecting malfunction of a cooling system based on detected coolant temperatureDENSO CORP·Filed 2006·Granted Apr 29, 2008·12 cites·6 claims
- 1291US6725710B2Thermostat malfunction detecting system for engine cooling systemDENSO CORP·Filed 2003·Granted Apr 27, 2004·23 cites·16 claims
- 1391US5544050ASign language learning system and methodHITACHI LTD·Filed 1993·Granted Aug 6, 1996·152 cites·13 claims
- 1491US5113185ACurrent location indication apparatus for use in an automotive vehicleHONDA MOTOR CO LTD·Filed 1990·Granted May 12, 1992·110 cites·12 claims
- 1589US5728941AMisfire detecting apparatus using difference in engine rotation speed varianceDENSO CORP·Filed 1996·Granted Mar 17, 1998·60 cites·29 claims
- 1689US4227046APre-processing system for speech recognitionHITACHI LTD·Filed 1978·Granted Oct 7, 1980·40 cites·11 claims
- 1788US10533094B2Silicone resin reflective substrate, manufacturing method for same, and base material composition used in reflective substrateASAHI RUBBER INC·Filed 2017·Granted Jan 14, 2020·5 cites·36 claims
- 1888US9574050B2Silicone resin reflective substrate, manufacturing method for same, and base material composition used in reflective substrateTASAKI MASUTSUGU·Filed 2010·Granted Feb 21, 2017·10 cites·31 claims
- 1988US5887069ASign recognition apparatus and method and sign translation system using sameHITACHI LTD·Filed 1995·Granted Mar 23, 1999·151 cites·30 claims
- 2087US10169340B2Information providing apparatus and information providing systemFUJI XEROX CO LTD·Filed 2017·Granted Jan 1, 2019·3 cites·8 claims
- 2187US9800757B2Print systemFUJI XEROX CO LTD·Filed 2016·Granted Oct 24, 2017·5 cites·7 claims
- 2287US4473904ASpeech information transmission method and systemHITACHI LTD·Filed 1982·Granted Sep 25, 1984·69 cites·7 claims
- 2387US4283601APreprocessing method and device for speech recognition deviceHITACHI LTD·Filed 1979·Granted Aug 11, 1981·38 cites·6 claims
- 2486US5854713AReflection type angle of view transforming optical apparatusMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Dec 29, 1998·89 cites·21 claims
- 2585US9992632B2Mobile apparatus and service providing systemFUJI XEROX CO LTD·Filed 2016·Granted Jun 5, 2018·3 cites·10 claims
- 2685US5539644ASystem for detecting misfire in a multi-cylinder internal combustion engineNIPPON DENSO CO·Filed 1993·Granted Jul 23, 1996·51 cites·17 claims
- 2785US5384891AVector quantizing apparatus and speech analysis-synthesis system using the apparatusHITACHI LTD·Filed 1991·Granted Jan 24, 1995·58 cites·9 claims
- 2885US5040215ASpeech recognition apparatus using neural network and fuzzy logicHITACHI LTD·Filed 1989·Granted Aug 13, 1991·57 cites·12 claims
- 2984US7010967B2Thermostat malfunction detecting system for engine cooling systemDENSO CORP·Filed 2004·Granted Mar 14, 2006·12 cites·13 claims
- 3084US6731319B2Heat activating and thermosensitive recording for thermosensitive adhesive labelRICOH KK·Filed 2002·Granted May 4, 2004·22 cites·51 claims
- 3183US10175689B2Service providing system and non-transitory computer readable mediumFUJI XEROX CO LTD·Filed 2017·Granted Jan 8, 2019·4 cites·8 claims
- 3283US6736918B1Process for producing cardsLINTEC CORP·Filed 2000·Granted May 18, 2004·36 cites·3 claims
- 3382US5263364AApparatus for detecting misfire in multicylinder internal combustion enginesNIPPON DENSO CO·Filed 1992·Granted Nov 23, 1993·45 cites·14 claims
- 3481US6798467B2Liquid crystal display device and a method for producing the sameASAHI RUBBER INC·Filed 2001·Granted Sep 28, 2004·23 cites·16 claims
- 3581US4470124AMethod of adjusting the zero-point of rate type sensorHONDA MOTOR CO LTD·Filed 1982·Granted Sep 4, 1984·44 cites·2 claims
- 3680US6848298B2Apparatus and method for failure diagnosis of fuel vapor purge systemTOYOTA MOTOR CO LTD·Filed 2002·Granted Feb 1, 2005·20 cites·15 claims
- 3780US6043190AThermosensitive recording labelRICOH KK·Filed 1998·Granted Mar 28, 2000·30 cites·19 claims
- 3879US6957570B2Thermostat malfunction detecting system for engine cooling systemDENSO CORP·Filed 2004·Granted Oct 25, 2005·11 cites·3 claims
- 3979US5185848ANoise reduction system using neural networkHITACHI LTD·Filed 1989·Granted Feb 9, 1993·73 cites·16 claims
- 4078US11279031B2Mobile robot, movement control system, and movement control methodFUJIFILM BUSINESS INNOVATION CORP·Filed 2020·Granted Mar 22, 2022·1 cites·12 claims
- 4178US4975957ACharacter voice communication systemHITACHI LTD·Filed 1989·Granted Dec 4, 1990·75 cites·8 claims
- 4278US4590605AMethod for production of speech reference templatesHITACHI LTD·Filed 1982·Granted May 20, 1986·47 cites·3 claims
- 4378US4532514ACourse guidance system with speeded-up display functionALPS ELECTRIC CO LTD·Filed 1982·Granted Jul 30, 1985·33 cites·6 claims
- 4476US10552105B2Printing system with self-propelled printer and service prohibition areaFUJI XEROX CO LTD·Filed 2017·Granted Feb 4, 2020·2 cites·14 claims
- 4575US5440922AApparatus for detecting misfire in internal combustion engines for vehiclesNIPPON DENSO CO·Filed 1993·Granted Aug 15, 1995·28 cites·5 claims
- 4675US4211897AMultifrequency signal receiving systemHITACHI LTD·Filed 1978·Granted Jul 8, 1980·12 cites·12 claims
- 4772US4088838AVoice response systemHITACHI LTD·Filed 1976·Granted May 9, 1978·32 cites·15 claims
- 4871US7047799B2Thermostat malfunction detecting system for engine cooling systemDENSO CORP·Filed 2004·Granted May 23, 2006·6 cites·29 claims
- 4971US4630065ACurrent location indication apparatus for use in an automotive vehicleHONDA MOTOR CO LTD·Filed 1983·Granted Dec 16, 1986·19 cites·2 claims
- 5070US7024926B2Thermostat malfunction detecting system for engine cooling systemDENSO CORP·Filed 2005·Granted Apr 11, 2006·3 cites·50 claims
Showing the top 50 of 107 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →