Inventor · disambiguated record
Katsuhiko Yokooku
Also filed as: YOKOOKU KATSUHIKO
15 granted patents·395 citations·filing 1977–1987
94Inventor score
Top patents by PatentIndex Score
15 records- 0195US4508078AElectrically operated engine throttle valve actuating deviceMAZDA MOTOR·Filed 1983·Granted Apr 2, 1985·53 cites·5 claims
- 0293US4423705ACooling system for liquid-cooled internal combustion enginesTOYO KOGYO CO·Filed 1982·Granted Jan 3, 1984·61 cites·8 claims
- 0389US4589302AControl system for an automotive driving system including an engine throttle valve and a stepless transmissionMAZDA MOTOR·Filed 1984·Granted May 20, 1986·49 cites·11 claims
- 0485US4428355AExhaust gas recirculation control for internal combustion enginesTOYO KOGYO CO·Filed 1982·Granted Jan 31, 1984·26 cites·8 claims
- 0581US4627311AAutomotive driving control system utilizing a stepless transmissionMAZDA MOTOR·Filed 1984·Granted Dec 9, 1986·33 cites·15 claims
- 0680US4433654AKnock control device for internal combustion engineTOYO KOGYO CO·Filed 1982·Granted Feb 28, 1984·20 cites·6 claims
- 0779US4434749ACooling system for liquid-cooled internal combustion enginesTOYO KOGYO CO·Filed 1982·Granted Mar 6, 1984·30 cites·6 claims
- 0876US4763629AAir-fuel ratio control system for engineMAZDA MOTOR·Filed 1987·Granted Aug 16, 1988·22 cites·8 claims
- 0974US4283368ARadial flow catalytic converterTOYO KOGYO CO·Filed 1979·Granted Aug 11, 1981·24 cites·7 claims
- 1072US4508076AIdling speeding control system for internal combustion engineMAZDA MOTOR·Filed 1983·Granted Apr 2, 1985·18 cites·7 claims
- 1158US4142492AExhaust gas purification systemTOYO KOGYO CO·Filed 1977·Granted Mar 6, 1979·9 cites·11 claims
- 1257US4572031AAutomotive driving control system utilizing a stepless transmissionMAZDA MOTOR·Filed 1984·Granted Feb 25, 1986·15 cites·10 claims
- 1354US4471745AExhaust gas recirculation system for internal combustion engineTOYO KOGYO CO·Filed 1983·Granted Sep 18, 1984·14 cites·5 claims
- 1451US4532905AFuel injection control system for controlling the fuel distribution to the cylinders of a multi-cylinder internal combustion engineMAZDA MOTOR·Filed 1984·Granted Aug 6, 1985·9 cites·14 claims
- 1551US4376431AAir-fuel ratio control system with altitude compensatorTOYO KOGYO CO·Filed 1981·Granted Mar 15, 1983·12 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →