Inventor · disambiguated record
Kazuhiko Yoshida
Also filed as: YOSHIDA KAZUHIKO
70 granted patents·18 pending applications·1,111 citations·filing 1974–2022
99Inventor score
Files withNTN TOYO BEARING CO LTD21FUJI ELECTRIC CO LTD14YOSHIDA KAZUHIKO7FUJI XEROX CO LTD5SHINETSU HANDOTAI KK4
Top patents by PatentIndex Score
88 records- 0196US6319337B1Power transmission shaftNTN TOYO BEARING CO LTD·Filed 2000·Granted Nov 20, 2001·36 cites·7 claims
- 0293US6287209B1Propeller shaft and method of producing the sameNTN TOYO BEARING CO LTD·Filed 2000·Granted Sep 11, 2001·37 cites·12 claims
- 0391US5621601AOver-current protection apparatus for transistorFUJI ELECTRIC CO LTD·Filed 1994·Granted Apr 15, 1997·82 cites·9 claims
- 0490US6390924B1Power transmission shaft and constant velocity jointNTN TOYO BEARING CO LTD·Filed 1999·Granted May 21, 2002·55 cites·31 claims
- 0590US5803993AOuter ring for high strength constant velocity joint and production process for sameNTN TOYO BEARING CO LTD·Filed 1996·Granted Sep 8, 1998·55 cites·4 claims
- 0689US5853502ACarburizing steel and steel products manufactured making use of the carburizing steelSUMITOMO METAL IND·Filed 1996·Granted Dec 29, 1998·38 cites·13 claims
- 0788US6478682B1Constant velocity universal jointNTN TOYO BEARING CO LTD·Filed 2000·Granted Nov 12, 2002·54 cites·54 claims
- 0888US5293427AEye position detecting system and method thereforNISSAN MOTOR·Filed 1991·Granted Mar 8, 1994·148 cites·9 claims
- 0987US12017249B2Method for forming coating film on constant velocity universal jointNTN TOYO BEARING CO LTD·Filed 2022·Granted Jun 25, 2024·0 cites·10 claims
- 1085US6579188B1Constant velocity universal jointNTN TOYO BEARING CO LTD·Filed 2002·Granted Jun 17, 2003·14 cites·14 claims
- 1184US7503559B2Sheet feeding device and image forming device with linked rotatable guide members and guide plateFUJI XEROX CO LTD·Filed 2005·Granted Mar 17, 2009·8 cites·20 claims
- 1283US9816565B2Cage for constant velocity universal joint, fixed type constant velocity universal joint incorporating same, and drive shaft incorporating said fixed type constant velocity universal jointYOSHIDA KAZUHIKO·Filed 2013·Granted Nov 14, 2017·4 cites·9 claims
- 1383US8302309B2Process for producing bearing device for wheelHIRAI ISAO·Filed 2006·Granted Nov 6, 2012·9 cites·3 claims
- 1483US7824106B2Bearing device for wheelNTN TOYO BEARING CO LTD·Filed 2005·Granted Nov 2, 2010·8 cites·4 claims
- 1581US8435125B2Power transmission shaft, drive shaft, and propeller shaftOOBA HIROKAZU·Filed 2009·Granted May 7, 2013·7 cites·18 claims
- 1681US7912417B2Image forming apparatus and conveyance deviceFUJI XEROX CO LTD·Filed 2006·Granted Mar 22, 2011·6 cites·15 claims
- 1781US6977425B2Semiconductor device having a lateral MOSFET and combined IC using the sameFUJI ELECTRIC CO LTD·Filed 2003·Granted Dec 20, 2005·24 cites·14 claims
- 1879US7607656B2Image forming apparatus and image forming methodFUJI XEROX CO LTD·Filed 2006·Granted Oct 27, 2009·8 cites·8 claims
- 1979US6126897ACarburizing steel and steel products manufactured making use of the carburizing steelSUMITOMO METAL IND·Filed 1998·Granted Oct 3, 2000·23 cites·17 claims
- 2078US8273188B2Constant velocity universal joint component and manufacturing method thereofYOSHIDA KAZUHIKO·Filed 2008·Granted Sep 25, 2012·5 cites·1 claims
- 2178US6462382B2MOS type semiconductor apparatusFUJI ELECTRIC CO LTD·Filed 2001·Granted Oct 8, 2002·25 cites·15 claims
- 2278US5587655AConstant current circuitFUJI ELECTRIC CO LTD·Filed 1995·Granted Dec 24, 1996·34 cites·11 claims
- 2376US7776453B2Machine element and method for manufacturing thereofNTN TOYO BEARING CO LTD·Filed 2005·Granted Aug 17, 2010·2 cites·7 claims
- 2476US6673167B2Power transmission shaftNTN TOYO BEARING CO LTD·Filed 2001·Granted Jan 6, 2004·8 cites·4 claims
- 2575US7263904B2Torque-detecting deviceNTN TOYO BEARING CO LTD·Filed 2004·Granted Sep 4, 2007·17 cites·16 claims
- 2675US6229180B1MOS type semiconductor apparatusFUJI ELECTRIC CO LTD·Filed 1999·Granted May 8, 2001·44 cites·5 claims
- 2775US5657964AElectric power tool for driving jackRikenkaki kogyo kk·Filed 1995·Granted Aug 19, 1997·31 cites·3 claims
- 2875US5218387AEye position detecting apparatusNISSAN MOTOR·Filed 1991·Granted Jun 8, 1993·72 cites·36 claims
- 2974US6870223B2High power semiconductor device having a Schottky barrier diodeFUJI ELECTRIC CO LTD·Filed 2002·Granted Mar 22, 2005·18 cites·12 claims
- 3074US4016205AProcess for the optical resolution of DL-2-(4-hydroxyphenyl)glycineFUJISAWA PHARMACEUTICAL CO·Filed 1975·Granted Apr 5, 1977·16 cites·24 claims
- 3173US8771086B2Fixed-type constant velocity universal jointYOSHIDA KAZUHIKO·Filed 2011·Granted Jul 8, 2014·1 cites·16 claims
- 3271US9856906B2Hollow shaft and constant velocity universal jointYOSHIDA KAZUHIKO·Filed 2010·Granted Jan 2, 2018·3 cites·12 claims
- 3371US6135891AConstant velocity universal jointNTN TOYO BEARING CO LTD·Filed 1998·Granted Oct 24, 2000·23 cites·10 claims
- 3470US7476935B2High power semiconductor device having a schottky barrier diodeFUJI ELECTRIC CO LTD·Filed 2005·Granted Jan 13, 2009·4 cites·5 claims
- 3568US8032722B2Information processing apparatus and memory control methodTOSHIBA KK·Filed 2010·Granted Oct 4, 2011·2 cites·10 claims
- 3667US8673092B2Outer member of constant speed universal jointMORIMOTO HIROO·Filed 2010·Granted Mar 18, 2014·3 cites·18 claims
- 3766US8268705B2Method for producing SOI waferYOSHIDA KAZUHIKO·Filed 2007·Granted Sep 18, 2012·4 cites·8 claims
- 3866US7052400B2Constant velocity universal jointNTN TOYO BEARING CO LTD·Filed 2004·Granted May 30, 2006·15 cites·11 claims
- 3966US6685572B2Power transmission mechanismNTN TOYO BEARING CO LTD·Filed 1999·Granted Feb 3, 2004·18 cites·15 claims
- 4065US7087151B2Hydrogen sensor for use in battery overcharge/overdischarge detector and hydrogen leakage detectorTOYOTA MOTOR CO LTD·Filed 2003·Granted Aug 8, 2006·6 cites·9 claims
- 4164US8410573B2SOI (silicon on insulator) structure semiconductor device and method of manufacturing the sameOHTSUKI HIROSHI·Filed 2008·Granted Apr 2, 2013·2 cites·13 claims
- 4264US6268628B1Depletion type MOS semiconductor device and MOS power ICFUJI ELECTRIC CO LTD·Filed 1999·Granted Jul 31, 2001·17 cites·24 claims
- 4363US7247923B2Semiconductor device having a lateral MOSFET and combined IC using the sameFUJI ELECTRIC CO LTD·Filed 2005·Granted Jul 24, 2007·2 cites·15 claims
- 4463US2015217329A1Coating film and metal automotive part on which coating film is formed, and constant velocity universal jointNTN TOYO BEARING CO LTD·Filed 2013·Application pending·0 cites
- 4562US8684849B2Fixed type constant velocity universal jointSONE KEISUKE·Filed 2010·Granted Apr 1, 2014·2 cites·7 claims
- 4661US7352548B2Composite integrated semiconductor deviceFUJI ELECTRIC CO LTD·Filed 2007·Granted Apr 1, 2008·2 cites·20 claims
- 4760US4913406AShaft furnace having means for charging and adjusting a pre-mixture of ore and cokeKAWASAKI STEEL CO·Filed 1987·Granted Apr 3, 1990·14 cites·15 claims
- 4860US3988373AQuaternary ammonium saltsFUJISAWA PHARMACEUTICAL CO·Filed 1974·Granted Oct 26, 1976·5 cites·1 claims
- 4959US7942750B2Constant velocity jointNTN TOYO BEARING CO LTD·Filed 2006·Granted May 17, 2011·1 cites·5 claims
- 5059US7910455B2Method for producing SOI waferSHINETSU HANDOTAI KK·Filed 2007·Granted Mar 22, 2011·2 cites·21 claims
Showing the top 50 of 88 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →