Inventor · disambiguated record
Takuya Ishii
Also filed as: ISHII TAKUYA
114 granted patents·31 pending applications·1,485 citations·filing 1990–2025
99Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD34PANASONIC CORP26NTN TOYO BEARING CO LTD15ISHII TAKUYA10AISIN AW CO9
Top patents by PatentIndex Score
145 records- 0198US7714546B2Step-up regulator with multiple power sources for the controllerPANASONIC CORP·Filed 2007·Granted May 11, 2010·58 cites·9 claims
- 0297US7250746B2Current mode switching regulator with predetermined on timeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Jul 31, 2007·105 cites·16 claims
- 0397US5905369AVariable frequency switching of synchronized interleaved switching convertersMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted May 18, 1999·195 cites·10 claims
- 0496US8040121B2Switching regulatorPANASONIC CORP·Filed 2010·Granted Oct 18, 2011·24 cites·12 claims
- 0594US8421424B2Current driver circuitISHII TAKUYA·Filed 2011·Granted Apr 16, 2013·15 cites·7 claims
- 0692US7268525B2Buck-boost converterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Sep 11, 2007·41 cites·13 claims
- 0790US7348800B2Level shift circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Mar 25, 2008·26 cites·8 claims
- 0890US5146394AFly back converter switching power supply deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Sep 8, 1992·109 cites·6 claims
- 0989US11046797B2Binder composition for electrochemical device electrode, slurry composition for electrochemical device electrode, electrochemical device electrode, and electrochemical deviceZEON CORP·Filed 2017·Granted Jun 29, 2021·4 cites·5 claims
- 1089US8967870B2Composite slide bearingISHII TAKUYA·Filed 2013·Granted Mar 3, 2015·10 cites·18 claims
- 1188US9458885B2Sliding bearing and image forming apparatusNTN TOYO BEARING CO LTD·Filed 2012·Granted Oct 4, 2016·8 cites·17 claims
- 1288US9054596B2Device for synchronous DC-DC conversion and synchronous DC-DC converterPANASONIC CORP·Filed 2013·Granted Jun 9, 2015·8 cites·25 claims
- 1387US9854944B2Coffee beans grinderZOJIRUSHI CORP·Filed 2015·Granted Jan 2, 2018·7 cites·2 claims
- 1487US8669748B2Device for synchronous DC-DC conversion and synchronous DC-DC converterISHII TAKUYA·Filed 2011·Granted Mar 11, 2014·8 cites·21 claims
- 1585US11062125B2Facial feature detecting apparatus and facial feature detecting methodALPINE ELECTRONICS INC·Filed 2020·Granted Jul 13, 2021·2 cites·7 claims
- 1685US7538531B2Drive circuit and switching regulator comprising the samePANASONIC CORP·Filed 2006·Granted May 26, 2009·15 cites·12 claims
- 1784US10985375B2Slurry composition for non-aqueous secondary battery positive electrode, positive electrode for non-aqueous secondary battery, and non-aqueous secondary batteryZEON CORP·Filed 2017·Granted Apr 20, 2021·2 cites·9 claims
- 1884US10848145B2Driver circuit, switching control circuit, and switching devicePANASONIC IP MAN CO LTD·Filed 2017·Granted Nov 24, 2020·7 cites·17 claims
- 1984US10077807B2Composite plain bearing, cradle guide, and sliding nutNTN TOYO BEARING CO LTD·Filed 2013·Granted Sep 18, 2018·6 cites·11 claims
- 2084US9894744B2Extreme ultraviolet light generation apparatusGIGAPHOTON INC·Filed 2016·Granted Feb 13, 2018·3 cites·18 claims
- 2184US7274116B2direct-current power supply and battery-powered electronic apparatus equipped with the power supplyMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Sep 25, 2007·59 cites·17 claims
- 2284US6476116B1Resin compositions and precision sliding parts made of the sameNTN TOYO BEARING CO LTD·Filed 2000·Granted Nov 5, 2002·21 cites·6 claims
- 2383US6882130B2Battery-driven electronic device and mobile communication apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Apr 19, 2005·53 cites·26 claims
- 2483US6349943B1Lubricating resin composition seal ringsNTN TOYO BEARING CO LTD·Filed 2000·Granted Feb 26, 2002·23 cites·7 claims
- 2582US10060430B2Internal gear pumpNTN TOYO BEARING CO LTD·Filed 2014·Granted Aug 28, 2018·3 cites·4 claims
- 2682US7559867B2Connection structure for automatic transmissionAISIN AW CO·Filed 2006·Granted Jul 14, 2009·7 cites·14 claims
- 2782US5490052ASwitching power supplyMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Feb 6, 1996·61 cites·6 claims
- 2881US10111312B2Extreme ultraviolet light generation deviceGIGAPHOTON INC·Filed 2017·Granted Oct 23, 2018·2 cites·19 claims
- 2981US9810215B2Internal gear pumpNTN TOYO BEARING CO LTD·Filed 2013·Granted Nov 7, 2017·3 cites·7 claims
- 3081US8794412B2Hydraulic clutch and transmission device provided with the sameKASUYA SATORU·Filed 2012·Granted Aug 5, 2014·4 cites·9 claims
- 3181US7940031B2Switching power supply circuitryPANASONIC CORP·Filed 2010·Granted May 10, 2011·5 cites·12 claims
- 3280US7294994B2Power supplyMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Nov 13, 2007·17 cites·15 claims
- 3379US10349508B2Target storage deviceGIGAPHOTON INC·Filed 2018·Granted Jul 9, 2019·2 cites·20 claims
- 3479US10172224B2Extreme UV light generatorGIGAPHOTON INC·Filed 2016·Granted Jan 1, 2019·2 cites·20 claims
- 3579US8558526B2DC-DC converter having a bootstrap circuitISHII TAKUYA·Filed 2011·Granted Oct 15, 2013·5 cites·4 claims
- 3679US7239200B2Power amplifying apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jul 3, 2007·25 cites·10 claims
- 3778US8739951B2Transmission deviceKASUYA SATORU·Filed 2012·Granted Jun 3, 2014·4 cites·6 claims
- 3877US8384367B2Step-down switching regulatorPANASONIC CORP·Filed 2009·Granted Feb 26, 2013·15 cites·4 claims
- 3977US7967716B2Automatic transmission for a vehicleAISIN AW CO·Filed 2010·Granted Jun 28, 2011·4 cites·15 claims
- 4077US7479771B2Current detection circuit and switching power supplyPANASONIC CORP·Filed 2007·Granted Jan 20, 2009·11 cites·6 claims
- 4177US6831448B2DC-to-DC converterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Dec 14, 2004·37 cites·12 claims
- 4276US5448465ASwitching power supply without switching induced spike voltagesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Sep 5, 1995·47 cites·6 claims
- 4374US10536074B2Power factor correcting converterPANASONIC IP MAN CO LTD·Filed 2019·Granted Jan 14, 2020·2 cites·14 claims
- 4474US6517463B2Automatic transmission for vehicleAISIN AW CO·Filed 2001·Granted Feb 11, 2003·15 cites·18 claims
- 4572US8113718B2Resin-made cage and bearingITO TAKASHI·Filed 2007·Granted Feb 14, 2012·8 cites·14 claims
- 4671US10033275B2DC-DC converter with a switching transistor arranged in an area where an inductor overlaps a substratePANASONIC IP MAN CO LTD·Filed 2016·Granted Jul 24, 2018·2 cites·6 claims
- 4771USD702500SGrill plateISHII TAKUYA·Filed 2012·Granted Apr 15, 2014·21 cites·1 claims
- 4871US7764113B2Output circuitPANASONIC CORP·Filed 2008·Granted Jul 27, 2010·7 cites·11 claims
- 4971US7391199B2DC-DC converterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Jun 24, 2008·10 cites·11 claims
- 5070US10530269B2AC-DC converterPANASONIC IP MAN CO LTD·Filed 2019·Granted Jan 7, 2020·1 cites·7 claims
Showing the top 50 of 145 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →