Inventor · disambiguated record
Takao Ishikawa
Also filed as: ISHIKAWA TAKAO
66 granted patents·19 pending applications·601 citations·filing 1986–2024
99Inventor score
Top patents by PatentIndex Score
85 records- 0194US6337309B1Zinc-free continuously variable transmission fluidINFINEUM INT LTD·Filed 2000·Granted Jan 8, 2002·63 cites·10 claims
- 0293US10197019B2Ethanol engine systemHITACHI LTD·Filed 2015·Granted Feb 5, 2019·9 cites·10 claims
- 0391US9975459B2Headrest device and sound collecting deviceCLARION CO LTD·Filed 2014·Granted May 22, 2018·18 cites·14 claims
- 0489US10183248B2Air cleanerTOYOTA BOSHOKU KK·Filed 2016·Granted Jan 22, 2019·4 cites·8 claims
- 0588US7654232B2Hydrogen engine systemHITACHI LTD·Filed 2007·Granted Feb 2, 2010·12 cites·10 claims
- 0686USD1053408SFront combination lamp for an automobileHONDA MOTOR CO LTD·Filed 2021·Granted Dec 3, 2024·9 cites·1 claims
- 0786US10064496B2Head rest deviceCLARION CO LTD·Filed 2015·Granted Sep 4, 2018·7 cites·7 claims
- 0886US9981613B2Headrest and vehicle seat with integrated speakersTACHI S CO·Filed 2015·Granted May 29, 2018·7 cites·7 claims
- 0985US7568452B2Engine systemHITACHI LTD·Filed 2007·Granted Aug 4, 2009·15 cites·1 claims
- 1085US7183650B2Wiring glass substrate for connecting a semiconductor chip to a printed wiring substrate and a semiconductor module having the wiring glass substrateRENESAS TECH CORP·Filed 2002·Granted Feb 27, 2007·30 cites·11 claims
- 1185US6045764AExhaust gas purifying method and catalyst used thereforHITACHI LTD·Filed 1996·Granted Apr 4, 2000·68 cites·6 claims
- 1283US8197752B2Managing system and method for emissions of environmental pollutantsNOJIMA MASAFUMI·Filed 2006·Granted Jun 12, 2012·18 cites·9 claims
- 1382US10328831B2Acoustic deviceCLARION CO LTD·Filed 2015·Granted Jun 25, 2019·5 cites·11 claims
- 1482US7805271B2Evaluation system for amount of emission gases through fuel supply chainHITACHI LTD·Filed 2008·Granted Sep 28, 2010·15 cites·9 claims
- 1581US7650976B2Low-friction sliding member in transmission, and transmission oil thereforNISSAN MOTOR·Filed 2007·Granted Jan 26, 2010·3 cites·8 claims
- 1678US4902146AElectronic apparatus with memory cardTOSHIBA KK·Filed 1988·Granted Feb 20, 1990·56 cites·6 claims
- 1777US7298605B2Electrolytic capacitorFUJITSU LTD·Filed 2005·Granted Nov 20, 2007·10 cites·3 claims
- 1877US6232275B1Lubricating oil composition for automatic transmissionsIDEMITSU KOSAN CO·Filed 1999·Granted May 15, 2001·34 cites·9 claims
- 1976US8307863B2Fuel filling and waste solution recovery apparatus and fuel vesselNOUJIMA MASAFUMI·Filed 2008·Granted Nov 13, 2012·6 cites·19 claims
- 2075US9660284B2Power conversion systemHITACHI LTD·Filed 2012·Granted May 23, 2017·2 cites·6 claims
- 2175US7527660B2Hydrogen fuel manufacturing method and system with control program for use thereinHITACHI LTD·Filed 2005·Granted May 5, 2009·3 cites·11 claims
- 2274US8869754B2Engine system with reformerSHIMADA ATSUSHI·Filed 2010·Granted Oct 28, 2014·5 cites·8 claims
- 2374US8596231B2Engine system with reformerSHIMADA ATSUSHI·Filed 2009·Granted Dec 3, 2013·2 cites·6 claims
- 2473US5712024AAnti-reflector film, and a display provided with the sameHITACHI LTD·Filed 1996·Granted Jan 27, 1998·47 cites·29 claims
- 2572US5935717AFunctional film having inorganic thin on surface of organic film article using the same and process for producing the sameHITACHI LTD·Filed 1997·Granted Aug 10, 1999·30 cites·35 claims
- 2670US7951756B2System having DLC contact surfaces, method of lubricating the system, and lubricant for the systemNIPPON OIL CORP·Filed 2004·Granted May 31, 2011·9 cites·12 claims
- 2769US10696201B2Headrest and vehicle seatCLARION CO LTD·Filed 2017·Granted Jun 30, 2020·2 cites·10 claims
- 2869US8206035B2Low-friction sliding mechanism, low-friction agent composition and method of friction reductionMARTIN JEAN MICHEL·Filed 2004·Granted Jun 26, 2012·8 cites·14 claims
- 2969US8109286B2Fuel tank including movable or deformable fuel chamber and waste chamberNOJIMA MASAFUMI·Filed 2007·Granted Feb 7, 2012·2 cites·12 claims
- 3069US6756441B2Low dielectric loss tangent resin composition, curable film and cured product, electrical part using the same and method for production thereofHITACHI LTD·Filed 2001·Granted Jun 29, 2004·9 cites·9 claims
- 3166US7193009B2Electronic device using low dielectric loss tangent insulators for high frequency signalsHITACHI LTD·Filed 2003·Granted Mar 20, 2007·11 cites·19 claims
- 3265US11888195B2Fuel cell power generation systemHITACHI LTD·Filed 2020·Granted Jan 30, 2024·0 cites·15 claims
- 3365US5501883AMaterial for use as a transparent conductive film and method for making a transparent conductive film using the materialHITACHI LTD·Filed 1994·Granted Mar 26, 1996·28 cites·1 claims
- 3462US8397680B2Engine systemSHIMADA ATSUSHI·Filed 2008·Granted Mar 19, 2013·5 cites·12 claims
- 3561USD1005531SRear combination lamp for an automobileHONDA MOTOR CO LTD·Filed 2021·Granted Nov 21, 2023·2 cites·1 claims
- 3661US7535106B2Wiring glass substrate for connecting a semiconductor chip to a printed wiring substrate and a semiconductor module having the wiring glass substrateRENESAS TECH CORP·Filed 2007·Granted May 19, 2009·1 cites·2 claims
- 3761US2008221261A1Low dielectric loss tangent resin composition, curable film and cured product, electrical part using the same and method for production thereofHITACHI LTD·Filed 2008·Application pending·0 cites
- 3860US2014048022A1Engine system with reformerHITACHI LTD·Filed 2013·Application pending·0 cites
- 3959US9260304B2Hydrogen separation device and method for operating sameISHIKAWA TAKAO·Filed 2012·Granted Feb 16, 2016·1 cites·5 claims
- 4058US6930140B2Low dielectric loss tangent resin composition, curable film and cured product, electrical part using the same and method for production thereofHITACHI LTD·Filed 2003·Granted Aug 16, 2005·2 cites·6 claims
- 4158US2024416858A1Vehicle grille structureHONDA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 4258US2009165890A1Supply and collection system for an organic hydride or liquid fuel containing an organic hydrideKOMURA AKIYOSHI·Filed 2008·Application pending·0 cites
- 4357US8093616B2Electronic component, manufacturing method of the electronic component, electronic component assembly body, and electronic deviceITOH MASAYUKI·Filed 2007·Granted Jan 10, 2012·1 cites·11 claims
- 4455US7824625B2Dehydrogenation fuel theft prevention systemHITACHI LTD·Filed 2009·Granted Nov 2, 2010·0 cites·10 claims
- 4555US7318514B2Low-friction sliding member in transmission, and transmission oil thereforNISSAN MOTOR·Filed 2004·Granted Jan 15, 2008·2 cites·8 claims
- 4654US2009000574A1Organic Hydride Reactor and Hydrogen GeneratorHITACHI LTD·Filed 2008·Application pending·0 cites
- 4753US2009089075A1Fuel environmental evaluation systemNOUJIMA MASAFUMI·Filed 2008·Application pending·0 cites
- 4853US2008206116A1Friction stir welding method for laminated member and hydrogen reactorSATOU AKIHIRO·Filed 2008·Application pending·0 cites
- 4952US7375155B2Low dielectric loss tangent resin composition, curable film and cured product, electrical part using the same and method for production thereofHITACHI LTD·Filed 2005·Granted May 20, 2008·0 cites·6 claims
- 5051US10887702B2LoudspeakerCLARION CO LTD·Filed 2018·Granted Jan 5, 2021·0 cites·9 claims
Showing the top 50 of 85 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →