Inventor · disambiguated record
Yujiro Kaneko
Also filed as: KANEKO YUJIRO
46 granted patents·16 pending applications·572 citations·filing 1981–2023
98Inventor score
Files withRICOH KK18HITACHI ASTEMO LTD17HITACHI AUTOMOTIVE SYSTEMS LTD15FUJI PHOTO FILM CO LTD3KANEKO YUJIRO3
Top patents by PatentIndex Score
62 records- 0195US9241429B2Power module and power conversion apparatus using sameKANEKO YUJIRO·Filed 2012·Granted Jan 19, 2016·28 cites·8 claims
- 0295US5974025AOptical recording medium and recording and reproducing method using the sameRICOH KK·Filed 1998·Granted Oct 26, 1999·109 cites·11 claims
- 0392US9179581B2Power semiconductor device and power conversion deviceSUWA TOKIHITO·Filed 2011·Granted Nov 3, 2015·16 cites·9 claims
- 0492US8184438B2Control deviceKANEKO YUJIRO·Filed 2009·Granted May 22, 2012·28 cites·8 claims
- 0592US6445669B1Initialization of phase-change optical recording mediumRICOH KK·Filed 1999·Granted Sep 3, 2002·73 cites·13 claims
- 0691US10034401B2Power semiconductor device and power conversion deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2015·Granted Jul 24, 2018·6 cites·13 claims
- 0790US5736657ASputtering targetRICOH KK·Filed 1996·Granted Apr 7, 1998·86 cites·2 claims
- 0889US6319368B1Sputtering target, method of producing the target, optical recording medium fabricated by using the sputtering target, and method of forming recording layer for the optical recording mediumRICOH KK·Filed 1997·Granted Nov 20, 2001·46 cites·12 claims
- 0988US6373802B1Method and apparatus for initializing optical recording mediaRICOH KK·Filed 1998·Granted Apr 16, 2002·34 cites·20 claims
- 1084US7899602B2Engine control unitHITACHI LTD·Filed 2008·Granted Mar 1, 2011·13 cites·9 claims
- 1184US6652806B2Method of producing a sputtering targetRICOH KK·Filed 2001·Granted Nov 25, 2003·14 cites·4 claims
- 1282US10501031B2Electronic control deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2016·Granted Dec 10, 2019·4 cites·13 claims
- 1380US10396010B2Onboard control deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2016·Granted Aug 27, 2019·3 cites·7 claims
- 1480US7679182B2Power module and motor integrated control unitHITACHI LTD·Filed 2007·Granted Mar 16, 2010·9 cites·16 claims
- 1578US10986741B2Electronic control deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2017·Granted Apr 20, 2021·2 cites·10 claims
- 1678US5251202AOptical information recording medium having multi-layered structures for preventing undesired reflection and electric chargingRICOH KK·Filed 1992·Granted Oct 5, 1993·31 cites·22 claims
- 1777US7288224B2Method of producing a sputtering targetRICOH KK·Filed 2003·Granted Oct 30, 2007·8 cites·1 claims
- 1876US11432419B2Power semiconductor device and power conversion deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2019·Granted Aug 30, 2022·1 cites·5 claims
- 1975US10512181B2Power semiconductor device and power conversion deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2018·Granted Dec 17, 2019·1 cites·12 claims
- 2074US9277682B2Power module and power conversion device using power moduleKANEKO YUJIRO·Filed 2011·Granted Mar 1, 2016·4 cites·6 claims
- 2172US10517181B2Electronic control device and manufacturing method for sameHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2016·Granted Dec 24, 2019·3 cites·12 claims
- 2272US4690861AMagneto optical recording mediumRICOH KK·Filed 1986·Granted Sep 1, 1987·27 cites·37 claims
- 2369US11961780B2Semiconductor module, power conversion device, and manufacturing method of semiconductor moduleHITACHI ASTEMO LTD·Filed 2019·Granted Apr 16, 2024·1 cites·10 claims
- 2469US6580672B2Method and apparatus for initializing optical recording mediaRICOH KK·Filed 2002·Granted Jun 17, 2003·4 cites·6 claims
- 2567US10641409B2Driver and driver-integrated electric actuatorHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2016·Granted May 5, 2020·1 cites·23 claims
- 2665US6775213B2Method and apparatus for initializing optical recording mediaRICOH KK·Filed 2003·Granted Aug 10, 2004·3 cites·32 claims
- 2764US9326425B2Power moduleSUWA TOKIHITO·Filed 2011·Granted Apr 26, 2016·2 cites·12 claims
- 2860US6760291B2Method and apparatus for initializing optical recording mediaRICOH KK·Filed 2003·Granted Jul 6, 2004·2 cites·11 claims
- 2959US10829064B2Electronic control deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2019·Granted Nov 10, 2020·0 cites·15 claims
- 3058US12368386B2Power conversion device and method for manufacturing power conversion deviceHITACHI ASTEMO LTD·Filed 2021·Granted Jul 22, 2025·0 cites·7 claims
- 3158US7447138B2Method and apparatus for initializing optical recording mediaRICOH KK·Filed 2005·Granted Nov 4, 2008·0 cites·6 claims
- 3255US2025105110A1Semiconductor device and power conversion deviceHITACHI ASTEMO LTD·Filed 2022·Application pending·0 cites
- 3355US2025006566A1Semiconductor module, power conversion device, and method for manufacturing semiconductor moduleHITACHI ASTEMO LTD·Filed 2022·Application pending·0 cites
- 3454US12283536B2Power semiconductor device and manufacturing method of power semiconductor deviceHITACHI ASTEMO LTD·Filed 2020·Granted Apr 22, 2025·0 cites·12 claims
- 3553US2025391736A1Electric Circuit Body and Power Conversion DeviceHITACHI ASTEMO LTD·Filed 2023·Application pending·0 cites
- 3652US2025132225A1Semiconductor deviceHITACHI ASTEMO LTD·Filed 2022·Application pending·0 cites
- 3752US2024243032A1Electric Circuit Body and Power Conversion DeviceHITACHI ASTEMO LTD·Filed 2022·Application pending·0 cites
- 3852US2024282665A1Power semiconductor deviceHITACHI ASTEMO LTD·Filed 2022·Application pending·0 cites
- 3951US2024096727A1Power Semiconductor DeviceHITACHI ASTEMO LTD·Filed 2021·Application pending·0 cites
- 4050US12506133B2Electric circuit body, power conversion device, and method for manufacturing electric circuit bodyHITACHI ASTEMO LTD·Filed 2020·Granted Dec 23, 2025·0 cites·12 claims
- 4150US11967584B2Power semiconductor deviceHITACHI ASTEMO LTD·Filed 2019·Granted Apr 23, 2024·0 cites·13 claims
- 4250US2024038611A1Electrical Circuit Body, Power Converter, and Electrical Circuit Body Manufacturing MethodHITACHI ASTEMO LTD·Filed 2021·Application pending·0 cites
- 4350US2024006271A1Heating element cooling structure and power conversion deviceHITACHI ASTEMO LTD·Filed 2021·Application pending·0 cites
- 4450US2008145587A1Optical recording mediumRICOH KK·Filed 2008·Application pending·0 cites
- 4550US2009116344A1Information recording method, information recording medium, and information recording apparatusHIBINO EIKO·Filed 2007·Application pending·0 cites
- 4649US12506046B2Electric circuit body, power converter, and method for manufacturing electric circuit bodyHITACHI ASTEMO LTD·Filed 2020·Granted Dec 23, 2025·0 cites·9 claims
- 4749US12424508B2Power moduleHITACHI ASTEMO LTD·Filed 2021·Granted Sep 23, 2025·0 cites·8 claims
- 4848US6990053B2Method and apparatus for initializing optical recording mediaRICOH KK·Filed 2004·Granted Jan 24, 2006·0 cites·7 claims
- 4947US11956908B2Electronic control unit and method for manufacturing electronic control unitHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2019·Granted Apr 9, 2024·0 cites·9 claims
- 5046US10699917B2Resin-sealed vehicle-mounted control deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2017·Granted Jun 30, 2020·0 cites·9 claims
Showing the top 50 of 62 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →