Inventor · disambiguated record
Masayuki Koishi
Also filed as: KOISHI MASAYUKI
3 granted patents·113 citations·filing 1990–1996
76Inventor score
Files withMAZDA MOTOR3
Top patents by PatentIndex Score
3 records- 0181US5494878ACatalyst for exhaust gas purificationMAZDA MOTOR·Filed 1994·Granted Feb 27, 1996·48 cites·7 claims
- 0271US5849660ACatalyst for purifying exhaust gasMAZDA MOTOR·Filed 1996·Granted Dec 15, 1998·38 cites·22 claims
- 0356US5019546ACatalyst for purifying exhaust gas and method of manufacturing the sameMAZDA MOTOR·Filed 1990·Granted May 28, 1991·27 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →