Inventor · disambiguated record
Takao Fukunaga
Also filed as: FUKUNAGA TAKAO
35 granted patents·8 pending applications·581 citations·filing 1982–2021
97Inventor score
Top patents by PatentIndex Score
43 records- 0197US5964329ATorque converter having a lockup clutchEXEDY CORP·Filed 1997·Granted Oct 12, 1999·93 cites·49 claims
- 0287US9562619B2Safety valveTOYOTA MOTOR CO LTD·Filed 2015·Granted Feb 7, 2017·4 cites·7 claims
- 0387US5211270ATorque converter lock-up deviceDAIKIN CLUTCH CORP·Filed 1991·Granted May 18, 1993·44 cites·6 claims
- 0486US5296649ASolder-coated printed circuit board and method of manufacturing the sameFURUKAWA ELECTRIC CO LTD·Filed 1992·Granted Mar 22, 1994·70 cites·15 claims
- 0586US5145532ASolder precipitating compositionFURUKAWA ELECTRIC CO LTD·Filed 1988·Granted Sep 8, 1992·43 cites·28 claims
- 0684US5118029AMethod of forming a solder layer on pads of a circuit board and method of mounting an electronic part on a circuit boardFURUKAWA ELECTRIC CO LTD·Filed 1990·Granted Jun 2, 1992·59 cites·29 claims
- 0780US6575276B2Torque converterEXEDY CORP·Filed 2001·Granted Jun 10, 2003·21 cites·23 claims
- 0877US5918713AWet friction plate, wet power transmitting and interrupting mechanism, wet clutch and lockup clutchEXEDY CORP·Filed 1997·Granted Jul 6, 1999·24 cites·2 claims
- 0977US5241820ATorque convertorDAIKIN CLUTCH CORP·Filed 1992·Granted Sep 7, 1993·30 cites·8 claims
- 1075US7454902B2Torque converterEXEDY CORP·Filed 2005·Granted Nov 25, 2008·11 cites·17 claims
- 1175US6464054B2Hydraulic torque transmitting deviceEXEDY CORP·Filed 2001·Granted Oct 15, 2002·17 cites·17 claims
- 1270US5407041ALock-up device for torque converterDAIKIN MFG CO LTD·Filed 1993·Granted Apr 18, 1995·24 cites·18 claims
- 1367US9991503B2Method for producing non-aqueous electrolyte secondary batteryELIIY POWER CO LTD·Filed 2013·Granted Jun 5, 2018·1 cites·10 claims
- 1467US5511640ALock-up device for torque converterDAIKIN MFG CO LTD·Filed 1994·Granted Apr 30, 1996·21 cites·4 claims
- 1565US4726185AFlat type torque converterMAZDA MOTOR·Filed 1986·Granted Feb 23, 1988·21 cites·4 claims
- 1664US11209269B2Inclination angle detection apparatus and auto levelizerMITSUBISHI ELECTRIC CORP·Filed 2016·Granted Dec 28, 2021·1 cites·8 claims
- 1763US6959544B2Torque converterEXEDY CORP·Filed 2003·Granted Nov 1, 2005·10 cites·5 claims
- 1861US12347866B2Lithium ion secondary battery and production method thereofMAZDA MOTOR·Filed 2021·Granted Jul 1, 2025·0 cites·14 claims
- 1961US7401688B2Torque converterEXEDY CORP·Filed 2006·Granted Jul 22, 2008·4 cites·20 claims
- 2059US7444807B2Torque converterAISIN SEIKI·Filed 2005·Granted Nov 4, 2008·3 cites·6 claims
- 2159US5417315ALubricating fluid regulator in torque convertor hydraulic clutchDAIKIN MFG CO LTD·Filed 1993·Granted May 23, 1995·16 cites·18 claims
- 2254US5566801ATorque converter having a retarder mechanism thereinDAIKIN MFG CO LTD·Filed 1995·Granted Oct 22, 1996·14 cites·5 claims
- 2352US2021083296A1Lithium ion secondary battery and production method thereofMAZDA MOTOR·Filed 2020·Application pending·0 cites
- 2448US5601228ASolder-precipitating composition and mounting method using the compositionFURUKAWA ELECTRIC CO LTD·Filed 1994·Granted Feb 11, 1997·14 cites·9 claims
- 2546US11652202B2Positive electrode for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary batteryELIIY POWER CO LTD·Filed 2016·Granted May 16, 2023·0 cites·5 claims
- 2646US9960416B2Positive electrode for non-aqueous electrolyte secondary battery, non-aqueous electrolyte secondary battery and battery moduleHARA TOMITARO·Filed 2011·Granted May 1, 2018·0 cites·8 claims
- 2746US2011132709A1Torque converterEXEDY CORP·Filed 2009·Application pending·0 cites
- 2845US11135965B2Optical axis control apparatus for headlightMITSUBISHI ELECTRIC CORP·Filed 2016·Granted Oct 5, 2021·0 cites·6 claims
- 2944US10147977B2Non-aqueous electrolyte secondary battery and method for producing non-aqueous electrolyte secondary batteryELIIY POWER CO LTD·Filed 2012·Granted Dec 4, 2018·0 cites·13 claims
- 3043US4631979APower transmission mechanism equipped with fluid and centrifugal clutchDAIKIN MFG CO LTD·Filed 1984·Granted Dec 30, 1986·6 cites·3 claims
- 3142US2024087777A1Thermistor layer, electrode for battery, battery, and thermistorELIIY POWER CO LTD·Filed 2021·Application pending·0 cites
- 3241US5884535APower transmission device with continuous speed controlEXEDY CORP·Filed 1997·Granted Mar 23, 1999·7 cites·7 claims
- 3340US4614258AAutomatic speed change control methods for self-movable vehicleDAIKIN MFG CO LTD·Filed 1984·Granted Sep 30, 1986·6 cites·7 claims
- 3440US2014102087A1Power transmission deviceFUKUNAGA TAKAO·Filed 2012·Application pending·0 cites
- 3540US2014290235A1Torque converterFUKUNAGA TAKAO·Filed 2012·Application pending·0 cites
- 3639US2013266849A1Negative electrode for nonaqueous electrolyte secondary battery, nonaqueous electrolyte secondary battery and method for producing negative electrode for nonaqueous electrolyte secondary batteryHARA TOMITARO·Filed 2011·Application pending·0 cites
- 3738US2012181130A1Torque converterFUKUNAGA TAKAO·Filed 2010·Application pending·0 cites
- 3836US6059088AResin stator for a torque connectorNOK CORP·Filed 1997·Granted May 9, 2000·5 cites·4 claims
- 3935US4523496AAutomatic controlling method of transmissionDAIKIN MFG CO LTD·Filed 1982·Granted Jun 18, 1985·4 cites·4 claims
- 4034US4557162AMethod and device for automatic control of transmissionDAIKIN MFG CO LTD·Filed 1982·Granted Dec 10, 1985·4 cites·8 claims
- 4133US4632233ATorque converter equipped with lockup control unitDAIKIN MFG CO LTD·Filed 1984·Granted Dec 30, 1986·3 cites·2 claims
- 4231US2004118113A1Torque converterFiled 2003·Application pending·0 cites
- 4330US6065575AWet friction plate, wet power transmitting and interrupting mechanism, wet clutch and lockup clutchEXEDY CORP·Filed 1999·Granted May 23, 2000·1 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →