Inventor · disambiguated record
Takashi Yasuhara
Also filed as: YASUHARA TAKASHI
38 granted patents·8 pending applications·617 citations·filing 1980–2025
98Inventor score
Top patents by PatentIndex Score
46 records- 0197US7151335B2Permanent magnet rotating electric machine and electric car using the sameHITACHI LTD·Filed 2005·Granted Dec 19, 2006·86 cites·8 claims
- 0292US7521832B2Rotating electric machine having rotor embedded-permanent-magnets with inner-end magnetic gaps and outer-end magnetic gaps, and electric car using the same electric machineHITACHI LTD·Filed 2006·Granted Apr 21, 2009·28 cites·10 claims
- 0389US6791227B2Dynamo electric machine and method of manufacturing the sameHITACHI LTD·Filed 2001·Granted Sep 14, 2004·36 cites·12 claims
- 0489US6700282B2Rotary electric machine and method for connecting stator conductorsHITACHI LTD·Filed 2002·Granted Mar 2, 2004·46 cites·7 claims
- 0587USRE44037ERotating electric machine having rotor embedded-permanent-magnets with inner-end magnetic gaps and outer-end magnetic gaps, and electric car using the same electric machineTAJIMA FUMIO·Filed 2009·Granted Mar 5, 2013·19 cites·10 claims
- 0687US7425786B2Permanent magnet type rotating electrical machineHITACHI LTD·Filed 2005·Granted Sep 16, 2008·26 cites·32 claims
- 0787US5629461AMethod of producing 1,1,2,2,3-pentafluoropropaneDAIKIN IND LTD·Filed 1993·Granted May 13, 1997·26 cites·4 claims
- 0886US7557483B2Rotating electrical machine and manufacturing method thereofHITACHI LTD·Filed 2005·Granted Jul 7, 2009·15 cites·9 claims
- 0985US6815858B2Permanent magnet rotating electric machineHITACHI LTD·Filed 2002·Granted Nov 9, 2004·23 cites·21 claims
- 1084US8067871B2Permanent magnet rotating electric machine and electric car using the sameTAJIMA FUMIO·Filed 2009·Granted Nov 29, 2011·15 cites·10 claims
- 1183US7800271B2Sintered magnet and rotating machine equipped with the sameHITACHI LTD·Filed 2009·Granted Sep 21, 2010·11 cites·14 claims
- 1282US7233089B2Permanent magnet rotating electric machineHITACHI LTD·Filed 2005·Granted Jun 19, 2007·8 cites·5 claims
- 1379US7880357B2Sintered magnet and rotating machine equipped with the sameHITACHI LTD·Filed 2009·Granted Feb 1, 2011·8 cites·13 claims
- 1479US4942205AAlpha-fluoroacrylic acid polymer and its useDAIKIN IND LTD·Filed 1989·Granted Jul 17, 1990·35 cites·1 claims
- 1577US6998752B2Dynamo-electric machineHITACHI LTD·Filed 2000·Granted Feb 14, 2006·23 cites·25 claims
- 1677US6548933B2Stator of rotating electric machineHITACHI LTD·Filed 2001·Granted Apr 15, 2003·28 cites·5 claims
- 1775US7914695B2Magnet using binding agent and method of manufacturing the sameHITACHI LTD·Filed 2007·Granted Mar 29, 2011·3 cites·16 claims
- 1875US7569966B2Rotating electrical machine and coilHITACHI LTD·Filed 2005·Granted Aug 4, 2009·8 cites·8 claims
- 1974US7764042B2Inverter-driven rotating machine system, rotating machine and inverter used in the same and electric vehicle using the sameHITACHI LTD·Filed 2007·Granted Jul 27, 2010·6 cites·8 claims
- 2074US6515394B2Stacked coil assembly for a statorHITACHI LTD·Filed 2001·Granted Feb 4, 2003·20 cites·12 claims
- 2172US7417346B2Permanent magnet rotating electric machineHITACHI LTD·Filed 2007·Granted Aug 26, 2008·4 cites·8 claims
- 2269US7659651B2Rotating electric machine, winding machine, and rotating electric machine systemHITACHI LTD·Filed 2007·Granted Feb 9, 2010·11 cites·20 claims
- 2369US6660803B1Method of preparing (perfluoroalkyl) ethyl acrylic esters and methods of preparing copolymers using said estersDAIKIN IND LTD·Filed 2000·Granted Dec 9, 2003·7 cites·20 claims
- 2466US5100544ALiquid separating apparatusDAIKIN IND LTD·Filed 1989·Granted Mar 31, 1992·27 cites·13 claims
- 2564US8388769B2Powdered-iron magnet and rotating machine using the sameKOMURO MATAHIRO·Filed 2006·Granted Mar 5, 2013·3 cites·21 claims
- 2664US2025333566A1Method for producing fluoropolyether group-containing carboxylic acidDAIKIN IND LTD·Filed 2025·Application pending·0 cites
- 2761US11427520B2Method for producing tetrafluoroethylene and/or hexafluoropropyleneDAIKIN IND LTD·Filed 2020·Granted Aug 30, 2022·0 cites·1 claims
- 2857US4684705AContact lensKURARAY CO·Filed 1986·Granted Aug 4, 1987·14 cites·7 claims
- 2957US4353002ARotary electrical machine connected to high-temperature loadHITACHI LTD·Filed 1980·Granted Oct 5, 1982·17 cites·6 claims
- 3056US7148597B2Permanent magnet rotating electric machineHITACHI LTD·Filed 2004·Granted Dec 12, 2006·5 cites·15 claims
- 3156US5116544AHexafluoroneopentyl alcohol, derivative thereof fluorine-containing polymer and its useDAIKIN IND LTD·Filed 1988·Granted May 26, 1992·4 cites·4 claims
- 3256US4644043AFluorine-containing polymer for gas separating membraneDAIKIN IND LTD·Filed 1985·Granted Feb 17, 1987·18 cites·4 claims
- 3352US4810766AAcryloxyorganosiloxane polymerDAIKIN IND LTD·Filed 1987·Granted Mar 7, 1989·14 cites·9 claims
- 3449US6935012B2Dynamo electric machine and method of manufacturing the sameHITACHI CAR ENG CO LTD·Filed 2004·Granted Aug 30, 2005·3 cites·6 claims
- 3549US5185483AProcess for preparing pentafluorodichloropropanesDAIKIN IND LTD·Filed 1991·Granted Feb 9, 1993·4 cites·8 claims
- 3648US2012038236A1Permanent Magnet Rotating Electric Machine and Electric Car Using the SameTAJIMA FUMIO·Filed 2011·Application pending·0 cites
- 3748US2010007232A1Sintered Magnet MotorHITACHI LTD·Filed 2009·Application pending·0 cites
- 3846US2008317620A1Rare earth element magnetHITACHI LTD·Filed 2008·Application pending·0 cites
- 3945US2010163388A1Key sheet and key unit having the sameSUNARROW LTD·Filed 2008·Application pending·0 cites
- 4044US2010001609A1Rotating electric machineHITACHI LTD·Filed 2006·Application pending·0 cites
- 4143US2009174111A1Method of Manufacturing Key Top for Push Button SwitchSUNARROW LTD·Filed 2007·Application pending·0 cites
- 4241US6392105B1Process for production of fluoroalcoholDAIKIN IND LTD·Filed 1999·Granted May 21, 2002·5 cites·20 claims
- 4339US4871820AAlpha-fluoroacrylic acid polymer and its useDAIKIN IND LTD·Filed 1988·Granted Oct 3, 1989·6 cites·2 claims
- 4438US5171897AHexafluoroneopentyl alcohol, derivative thereof fluorine-containing polymer and its useDAIKIN IND LTD·Filed 1992·Granted Dec 15, 1992·3 cites·1 claims
- 4538US2006222824A1Multicolor resin molding component for mobile apparatusYASUHARA TAKASHI·Filed 2004·Application pending·0 cites
- 4631US4832712AGas separating membraneDAIKIN IND LTD·Filed 1987·Granted May 23, 1989·2 cites·2 claims
Join the waitlist — get patent alerts
Get an alert when Takashi Yasuhara files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →