Inventor · disambiguated record
Hisayo Yoshikawa
Also filed as: YOSHIKAWA HISAYO
5 granted patents·1 pending application·18 citations·filing 2005–2010
73Inventor score
Top patents by PatentIndex Score
6 records- 0176US7949459B2Control apparatus for vehicleDENSO CORP·Filed 2007·Granted May 24, 2011·9 cites·4 claims
- 0263US7742870B2Air-fuel ratio control device of internal combustion engineDENSO CORP·Filed 2008·Granted Jun 22, 2010·6 cites·14 claims
- 0359US7806105B2Idle speed control apparatus for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2006·Granted Oct 5, 2010·2 cites·12 claims
- 0442US7441522B2Valve characteristic control device for internal combustion engine and method of the sameTOYOTA MOTOR CO LTD·Filed 2005·Granted Oct 28, 2008·0 cites·17 claims
- 0538US8151764B2Engine control systemYOSHIKAWA HISAYO·Filed 2007·Granted Apr 10, 2012·1 cites·3 claims
- 0635US2010199638A1Apparatus for diagnosing deterioration of nox absorption-reduction catalystDENSO CORP·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →