Inventor · disambiguated record
Takeshi Igarashi
Also filed as: IGARASHI TAKESHI
97 granted patents·38 pending applications·1,632 citations·filing 1982–2024
99Inventor score
Files withSONY INTERACTIVE ENTERTAINMENT INC33NITTO DENKO CORP17SHOWA DENKO KK16FUJI PHOTO FILM CO LTD9IGARASHI TAKESHI6
Top patents by PatentIndex Score
135 records- 0198US7396598B2Light emitting material and organic light-emitting deviceSHOWA DENKO KK·Filed 2002·Granted Jul 8, 2008·884 cites·19 claims
- 0297US11998835B2Operating deviceSONY INTERACTIVE ENTERTAINMENT INC·Filed 2023·Granted Jun 4, 2024·4 cites·20 claims
- 0396US9789395B2Operating deviceSONY COMPUTER ENTERTAINMENT INC·Filed 2013·Granted Oct 17, 2017·28 cites·8 claims
- 0495US11534682B2Input deviceSONY INTERACTIVE ENTERTAINMENT INC·Filed 2021·Granted Dec 27, 2022·3 cites·7 claims
- 0595US7561435B2Engine controllerHITACHI LTD·Filed 2007·Granted Jul 14, 2009·44 cites·6 claims
- 0694US11878235B2Input deviceSONY INTERACTIVE ENTERTAINMENT INC·Filed 2022·Granted Jan 23, 2024·2 cites·10 claims
- 0793US12090392B2Operation input device and button driving unitSONY INTERACTIVE ENTERTAINMENT INC·Filed 2020·Granted Sep 17, 2024·3 cites·18 claims
- 0893US11866613B2Pressure-sensitive adhesive sheetNITTO DENKO CORP·Filed 2019·Granted Jan 9, 2024·2 cites·16 claims
- 0992US6966179B2Exhaust gas purifying systemISUZU MOTORS LTD·Filed 2004·Granted Nov 22, 2005·56 cites·4 claims
- 1090US10343972B2Fullerene derivative, fluororesin composition, and lubricantSHOWA DENKO KK·Filed 2015·Granted Jul 9, 2019·3 cites·8 claims
- 1190US7560346B2Semiconductor device and method of manufacturing the sameEUDYNA DEVICES INC·Filed 2007·Granted Jul 14, 2009·18 cites·10 claims
- 1288US4485171AMulti-layer microorganism culture testing apparatusTERUMO CORP·Filed 1982·Granted Nov 27, 1984·35 cites·26 claims
- 1387US9690392B2Operating device including a touch sensorSONY COMPUTER ENTERTAINMENT INC·Filed 2013·Granted Jun 27, 2017·9 cites·14 claims
- 1487US6217540B1Blood filter cartridgeFUJI PHOTO FILM CO LTD·Filed 1999·Granted Apr 17, 2001·87 cites·7 claims
- 1586US11199902B2Input deviceSONY INTERACTIVE ENTERTAINMENT INC·Filed 2020·Granted Dec 14, 2021·3 cites·9 claims
- 1686US10471344B2Manipulating deviceSONY INTERACTIVE ENTERTAINMENT INC·Filed 2017·Granted Nov 12, 2019·5 cites·9 claims
- 1784US9510438B2Electronic control deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2013·Granted Nov 29, 2016·8 cites·18 claims
- 1883US4737344ALiquid sample-spotting apparatusFUJI PHOTO FILM CO LTD·Filed 1987·Granted Apr 12, 1988·91 cites·6 claims
- 1982US10507386B2Operating deviceSONY INTERACTIVE ENTERTAINMENT INC·Filed 2017·Granted Dec 17, 2019·2 cites·15 claims
- 2080US10765937B2Operating deviceSONY INTERACTIVE ENTERTAINMENT INC·Filed 2019·Granted Sep 8, 2020·1 cites·6 claims
- 2180US4855108AMember of analytical element for the analysis of liquid sample containing solidFUJI PHOTO FILM CO LTD·Filed 1987·Granted Aug 8, 1989·36 cites·6 claims
- 2279US12324984B2Input deviceSONY INTERACTIVE ENTERTAINMENT INC·Filed 2023·Granted Jun 10, 2025·0 cites·8 claims
- 2376US12232234B2Entertainment apparatus, light emission controlling apparatus, operation device, light emission controlling method and programSONY INTERACTIVE ENTERTAINMENT INC·Filed 2023·Granted Feb 18, 2025·0 cites·6 claims
- 2476US11779834B2Operating deviceSONY INTERACTIVE ENTERTAINMENT INC·Filed 2022·Granted Oct 10, 2023·0 cites·20 claims
- 2576US7088643B2Magneto optical disc drive having insertion restricting and locking portionsSONY CORP·Filed 2005·Granted Aug 8, 2006·2 cites·1 claims
- 2676US6865077B2Method of cooling system for a personal computer and personal computerHITACHI LTD·Filed 2002·Granted Mar 8, 2005·22 cites·10 claims
- 2776US6462794B1Image forming unit, enlarging unit, optical parts, and image display apparatus having these componentsHITACHI LTD·Filed 1999·Granted Oct 8, 2002·46 cites·34 claims
- 2876US4895704AIntegral multilayer analytical elementFUJI PHOTO FILM CO LTD·Filed 1987·Granted Jan 23, 1990·35 cites·15 claims
- 2975US2025041710A1Input deviceSONY INTERACTIVE ENTERTAINMENT INC·Filed 2024·Application pending·0 cites
- 3074US11711878B2Entertainment apparatus, light emission controlling apparatus, operation device, light emission controlling method and programSONY INTERACTIVE ENTERTAINMENT INC·Filed 2022·Granted Jul 25, 2023·0 cites·14 claims
- 3174US4950454AMember of analytical element for the analysis of liquid sample containing solidFUJI PHOTO FILM CO LTD·Filed 1989·Granted Aug 21, 1990·28 cites·10 claims
- 3273US8268456B2Organic light-emitting device using a compound having a carrier transport property and a phosphorescent propertyKOYAMA TAMAMI·Filed 2007·Granted Sep 18, 2012·6 cites·18 claims
- 3372US11603627B2Carbon fiber and method of manufacturing sameSHOWA DENKO KK·Filed 2018·Granted Mar 14, 2023·0 cites·6 claims
- 3471US11273370B2Operating deviceSONY INTERACTIVE ENTERTAINMENT INC·Filed 2020·Granted Mar 15, 2022·0 cites·9 claims
- 3570US10603576B2Operating device including a touch sensorSONY INTERACTIVE ENTERTAINMENT INC·Filed 2017·Granted Mar 31, 2020·1 cites·15 claims
- 3668US12384933B2Paint-protective coating material and coating compositionNITTO DENKO CORP·Filed 2022·Granted Aug 12, 2025·0 cites·10 claims
- 3767US11813518B2Information processing system, controller apparatus, information processing apparatus, and programSONY INTERACTIVE ENTERTAINMENT INC·Filed 2018·Granted Nov 14, 2023·1 cites·5 claims
- 3867US11512424B2Carbon fiber and method of manufacturing sameSHOWA DENKO KK·Filed 2018·Granted Nov 29, 2022·0 cites·12 claims
- 3967US11136298B2Method for producing fullerene derivativeSHOWA DENKO KK·Filed 2019·Granted Oct 5, 2021·0 cites·1 claims
- 4067US10246553B2Organic fluorine compound and lubricantSHOWA DENKO KK·Filed 2017·Granted Apr 2, 2019·0 cites·3 claims
- 4167US7635527B2Light emitting material and organic light-emitting deviceSHOWA DENKO KK·Filed 2008·Granted Dec 22, 2009·1 cites·6 claims
- 4267US7343223B2Robot apparatus and load sensorALPS ELECTRIC CO LTD·Filed 2004·Granted Mar 11, 2008·13 cites·14 claims
- 4367US6706168B2Wastewater treatment method and apparatusFiled 2001·Granted Mar 16, 2004·11 cites·10 claims
- 4466US11990504B2Capacitor with MIMSEDI INC·Filed 2021·Granted May 21, 2024·0 cites·5 claims
- 4564US12460102B2Paint-protective coating material and acrylic coating compositionNITTO DENKO CORP·Filed 2022·Granted Nov 4, 2025·0 cites·9 claims
- 4664US12151157B2Input deviceSONY INTERACTIVE ENTERTAINMENT INC·Filed 2021·Granted Nov 26, 2024·0 cites·13 claims
- 4764US10336764B2Fullerene derivative and lubricantSHOWA DENKO KK·Filed 2017·Granted Jul 2, 2019·0 cites·10 claims
- 4864US8873242B2Automotive control unitWAKANA YOSHINORI·Filed 2011·Granted Oct 28, 2014·2 cites·13 claims
- 4964US6982441B2Semiconductor device with a super lattice bufferFUJITSU QUANTUM DEVICES LTD·Filed 2002·Granted Jan 3, 2006·12 cites·26 claims
- 5064US6777372B1Method for producing hydrocyanic acid synthesis catalystMITSUBISHI GAS CHEMICAL CO·Filed 2000·Granted Aug 17, 2004·3 cites·10 claims
Showing the top 50 of 135 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →