Inventor · disambiguated record
Narihiko Yoshimura
Also filed as: YOSHIMURA NARIHIKO
13 granted patents·1 pending application·143 citations·filing 1987–2006
92Inventor score
Top patents by PatentIndex Score
14 records- 0178US5259978ATraction fluid composition comprising a cyclohexyl diester and branched poly-α-olefinTOA NENRYO KOGYO KK·Filed 1993·Granted Nov 9, 1993·27 cites·7 claims
- 0275US4871476ASynthetic lubricating fluidTOA NENRYO KOGYO KK·Filed 1987·Granted Oct 3, 1989·24 cites·3 claims
- 0373US8138133B2Gear oil compositionSUZUKI YASUYOSHI·Filed 2006·Granted Mar 20, 2012·5 cites·9 claims
- 0465US4889650ASynthetic traction fluidTOA NENRYO KOGYO KK·Filed 1987·Granted Dec 26, 1989·14 cites·8 claims
- 0561US5266229AStable electro-rheological fluid having a high viscosity-increasing effectTONEN CORP·Filed 1991·Granted Nov 30, 1993·16 cites·11 claims
- 0657US4886614ASynthetic traction fluidTOA NENRYO KOGYO KK·Filed 1987·Granted Dec 12, 1989·13 cites·11 claims
- 0754US5039440ATraction fluidTOA NENRYO KOGYO KK·Filed 1988·Granted Aug 13, 1991·8 cites·8 claims
- 0846US4978468ATraction fluidTOA NENRYO KOGYO KK·Filed 1989·Granted Dec 18, 1990·8 cites·4 claims
- 0945US5922656ALubricant compositions for automatic transmissionsTONEN CORP·Filed 1998·Granted Jul 13, 1999·10 cites·14 claims
- 1045US4886613ATraction fluidTOA NENRYO KOGYO KK·Filed 1987·Granted Dec 12, 1989·8 cites·10 claims
- 1145US2005159320A1Oil composition for automatic transmissionFiled 2005·Application pending·0 cites
- 1240US5171481ASynthetic traction fluidTOA NENRYO KOGYO KK·Filed 1992·Granted Dec 15, 1992·4 cites·13 claims
- 1340US5075024ASynthetic traction fluidTOA NENRYO KOGYO KK·Filed 1988·Granted Dec 24, 1991·6 cites·11 claims
- 1439US6878678B2Oil composition for automatic transmissionTONEN GENERAL SEKIYU K K·Filed 2002·Granted Apr 12, 2005·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →