Inventor · disambiguated record
Kazuaki Umezono
Also filed as: UMEZONO KAZUAKI
6 granted patents·223 citations·filing 1986–2002
86Inventor score
Files withMAZDA MOTOR6
Top patents by PatentIndex Score
6 records- 0193US4774812ATurbocharged engineMAZDA MOTOR·Filed 1986·Granted Oct 4, 1988·65 cites·12 claims
- 0292US4958606ASupercharged engineMAZDA MOTOR·Filed 1987·Granted Sep 25, 1990·55 cites·40 claims
- 0384US4813232AExhaust device for internal combustion engineMAZDA MOTOR·Filed 1987·Granted Mar 21, 1989·37 cites·29 claims
- 0483US6684630B2Direct-injection spark-ignition engine with a turbo charging deviceMAZDA MOTOR·Filed 2002·Granted Feb 3, 2004·45 cites·19 claims
- 0547US5255638AEngine output control system for vehicleMAZDA MOTOR·Filed 1991·Granted Oct 26, 1993·14 cites·8 claims
- 0646US6550445B2Spark-ignition direct injection engine with superchargerMAZDA MOTOR·Filed 2002·Granted Apr 22, 2003·7 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →