Inventor · disambiguated record
Akihisa Yoshikawa
Also filed as: YOSHIKAWA AKIHISA
5 granted patents·74 citations·filing 1981–1995
81Inventor score
Top patents by PatentIndex Score
5 records- 0175US4616476ACylinder driving apparatusSHOKESTU KINZOKU KOGYO KABUSHI·Filed 1984·Granted Oct 14, 1986·24 cites·8 claims
- 0263US4516473ACylinder driving systemSHOKESTU KINZOKU KOGYO KABUSHI·Filed 1981·Granted May 14, 1985·20 cites·4 claims
- 0348US4917001ADrive control valve for constant speedSMC CORP·Filed 1988·Granted Apr 17, 1990·10 cites·8 claims
- 0448US4889036ASpeed reducer for pneumatic actuatorSMC CORP·Filed 1988·Granted Dec 26, 1989·9 cites·7 claims
- 0541US5580847AAqueous ammonia compositionNISSAN CHEMICAL IND LTD·Filed 1995·Granted Dec 3, 1996·11 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →