Inventor · disambiguated record
Kenichi Sugiyama
Also filed as: NAWAMOTO TAIKOU · SUGIYAMA KENICHI
23 granted patents·8 pending applications·243 citations·filing 1997–2020
95Inventor score
Files withHITACHI AUTOMOTIVE SYSTEMS LTD7EBARA CORP6HITACHI AUTOMOTIVE SYSTEMS KYUSHU LTD4HITACHI LTD4NSK LTD4
Top patents by PatentIndex Score
31 records- 0195US8864591B2Propeller shaft and constant velocity universal joint used thereinHITACHI AUTOMOTIVE SYSTEMS KYUSHU LTD·Filed 2013·Granted Oct 21, 2014·24 cites·8 claims
- 0288US8864590B2Propeller shaft and constant velocity universal joint used thereinHITACHI AUTOMOTIVE SYSTEMS KYUSHU LTD·Filed 2013·Granted Oct 21, 2014·7 cites·11 claims
- 0388US6623251B2Spindle apparatusNSK LTD·Filed 2001·Granted Sep 23, 2003·34 cites·29 claims
- 0486US7000734B2Lubricating deviceNSK LTD·Filed 2003·Granted Feb 21, 2006·24 cites·9 claims
- 0585US6398509B1Lubricating deviceNSK LTD·Filed 2000·Granted Jun 4, 2002·31 cites·15 claims
- 0684US10883545B2Power transmission shaftHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2017·Granted Jan 5, 2021·4 cites·20 claims
- 0781US12123460B2Power transmission shaftHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2019·Granted Oct 22, 2024·2 cites·5 claims
- 0879US10533612B2Power transmission shaftHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2017·Granted Jan 14, 2020·2 cites·20 claims
- 0975US7062835B2Joint structure for power transmitting member and method for producing the sameHITACHI LTD·Filed 2005·Granted Jun 20, 2006·8 cites·8 claims
- 1073US10422388B2Propeller shaftHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2017·Granted Sep 24, 2019·2 cites·10 claims
- 1170US7074129B2Coupling member of power transmission apparatusHITACHI LTD·Filed 2003·Granted Jul 11, 2006·15 cites·12 claims
- 1270US5961218AWater lubricated machine component having contacting sliding surfacesEBARA CORP·Filed 1997·Granted Oct 5, 1999·21 cites·17 claims
- 1369US6981919B2Power trainHITACHI LTD·Filed 2002·Granted Jan 3, 2006·10 cites·12 claims
- 1467US6176619B1Water lubricated machine component having contacting sliding surfacesEBARA CORP·Filed 1999·Granted Jan 23, 2001·19 cites·9 claims
- 1558US7051422B2Method of producing plane carbon commutatorSUGIYAMA SEISAKUSYO CO LTD·Filed 2004·Granted May 30, 2006·9 cites·1 claims
- 1657US6784589B1Plane carbon commutatorSUGIYAMA SEISAKUSYO CO LTD·Filed 2000·Granted Aug 31, 2004·6 cites·3 claims
- 1756US7140800B2Joint structure for power transmitting member and method for producing the sameHITACHI LTD·Filed 2002·Granted Nov 28, 2006·6 cites·18 claims
- 1856US6123623AVehicle propeller shaft with a balance correctorUNISIA JECS CORP·Filed 1997·Granted Sep 26, 2000·16 cites·6 claims
- 1956US2010047374A1Composition for protecting muscle damageSAKAKIBARA RENA·Filed 2007·Application pending·0 cites
- 2053US2014334873A1Propeller Shaft and Constant Velocity Universal Joint Used ThereinHITACHI AUTOMOTIVE SYSTEMS KYUSHU LTD·Filed 2014·Application pending·0 cites
- 2152US12188527B2Propeller shaftHITACHI ASTEMO LTD·Filed 2020·Granted Jan 7, 2025·0 cites·15 claims
- 2249US7172821B2Coating material having corrosion resistance and wear resistanceEBARA CORP·Filed 2003·Granted Feb 6, 2007·3 cites·7 claims
- 2349US2010061676A1bearing system or a sealing system using a carbon based sliding memberEBARA CORP·Filed 2008·Application pending·0 cites
- 2448US2005241880A1Method of supplying a lubricant to a rolling bearing of a high-speed spindleNSK LTD·Filed 2005·Application pending·0 cites
- 2546US2021222737A1Power transmitting shaftHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2019·Application pending·0 cites
- 2644US2016017929A1Propeller Shaft and Adapter Member for Propeller ShaftHITACHI AUTOMOTIVE SYSTEMS KYUSHU LTD·Filed 2014·Application pending·0 cites
- 2743US10859088B2Sliding material, shaft sleeve, and pump provided with shaft sleeveEBARA CORP·Filed 2017·Granted Dec 8, 2020·0 cites·4 claims
- 2841US2018023629A1Propeller shaftHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2017·Application pending·0 cites
- 2939US12049133B2Propeller shaftHITACHI ASTEMO LTD·Filed 2020·Granted Jul 30, 2024·0 cites·8 claims
- 3038US10352368B2Propeller shaft and constant-velocity joint used in said propeller shaftHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2015·Granted Jul 16, 2019·0 cites·15 claims
- 3138US2009060408A1Diamond-coated bearing or seal structure and fluid machine comprising the sameEBARA CORP·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →