Inventor · disambiguated record
Kunihiko Sugihara
Also filed as: ONODA MICHIO · SUGIHARA KUNIHIKO
30 granted patents·436 citations·filing 1974–1986
97Inventor score
Top patents by PatentIndex Score
30 records- 0196US4540126AFuel injection nozzleNISSAN MOTOR·Filed 1983·Granted Sep 10, 1985·55 cites·10 claims
- 0293US4007590ACatalytic convertor warming up systemNISSAN MOTOR·Filed 1975·Granted Feb 15, 1977·44 cites·3 claims
- 0388US4033308AExhaust gas recirculation control systemNISSAN MOTOR·Filed 1975·Granted Jul 5, 1977·29 cites·12 claims
- 0477US4041914AExhaust gas recirculation system with control apparatus for exhaust gas flow control valveNISSAN MOTOR·Filed 1975·Granted Aug 16, 1977·17 cites·4 claims
- 0575US4506833AFuel injection nozzle for an internal combustion engineNISSAN MOTOR·Filed 1982·Granted Mar 26, 1985·19 cites·3 claims
- 0674US4173203AEngine systemNISSAN MOTOR·Filed 1977·Granted Nov 6, 1979·15 cites·4 claims
- 0773US4278063AInternal combustion engine with an exhaust gas purifying systemNISSAN MOTOR·Filed 1979·Granted Jul 14, 1981·15 cites·14 claims
- 0870US4134262AExhaust gas catalytic converter systemNISSAN MOTOR·Filed 1976·Granted Jan 16, 1979·21 cites·9 claims
- 0969US4662330ADiesel engine having swirl chamber and shaped flame dispersing recess in piston crownNISSAN MOTOR·Filed 1985·Granted May 5, 1987·23 cites·8 claims
- 1067US4676209ATransfer passage arrangement for diesel engine having swirl chamberNISSAN MOTOR·Filed 1985·Granted Jun 30, 1987·21 cites·6 claims
- 1167US4635598ASwirl chamber arrangement for diesel engine or the likeNISSAN MOTOR·Filed 1986·Granted Jan 13, 1987·21 cites·4 claims
- 1266US4033309AExhaust gas recirculation system with control apparatus for exhaust gas flow control valveNISSAN MOTOR·Filed 1975·Granted Jul 5, 1977·12 cites·7 claims
- 1365US4370964ASpark ignition timing control system for an internal combustion engineNISSAN MOTOR·Filed 1980·Granted Feb 1, 1983·19 cites·12 claims
- 1465US4149377AInternal combustion engine with emission control systemsNISSAN MOTOR·Filed 1977·Granted Apr 17, 1979·11 cites·19 claims
- 1561US4285318AExhaust gas recirculation system having flow control valve combined with supersonic nozzleNISSAN MOTOR·Filed 1975·Granted Aug 25, 1981·10 cites·8 claims
- 1659US4337641ADevice for detecting engine knockNISSAN MOTOR·Filed 1980·Granted Jul 6, 1982·13 cites·8 claims
- 1757US3977381AExhaust gas recirculation systemNISSAN MOTOR·Filed 1974·Granted Aug 31, 1976·13 cites·4 claims
- 1854US3973535AExhaust gas recirculation systemNISSAN MOTOR·Filed 1975·Granted Aug 10, 1976·8 cites·3 claims
- 1952US4393837ASpark timing control system for an internal combustion engineNISSAN MOTOR·Filed 1980·Granted Jul 19, 1983·12 cites·18 claims
- 2051US4047510AExhaust gas recirculation system with control apparatus for exhaust gas flow control valveNISSAN MOTOR·Filed 1975·Granted Sep 13, 1977·7 cites·3 claims
- 2148US4385598AEngine systemNISSAN MOTOR·Filed 1980·Granted May 31, 1983·10 cites·21 claims
- 2246US4210109AMulti-cylinder internal combustion engineNISSAN MOTOR·Filed 1977·Granted Jul 1, 1980·8 cites·17 claims
- 2343US4348905AVibration sensor for an automotive vehicleNISSAN MOTOR·Filed 1980·Granted Sep 14, 1982·8 cites·4 claims
- 2439US4100737AExhaust gas purifying system employing an exhaust gas flow controllerNISSAN MOTOR·Filed 1976·Granted Jul 18, 1978·5 cites·3 claims
- 2536US4240253AEngine system for motor vehicleNISSAN MOTOR·Filed 1977·Granted Dec 23, 1980·4 cites·33 claims
- 2636US4084372AInternal combustion engineKURODA HIROSHI·Filed 1976·Granted Apr 18, 1978·4 cites·4 claims
- 2735US4337640AKnocking sensorNISSAN MOTOR·Filed 1980·Granted Jul 6, 1982·6 cites·2 claims
- 2835US4192262AControl system for varying the amount of scavenging air to be admitted to internal combustion engineNISSAN MOTOR·Filed 1978·Granted Mar 11, 1980·3 cites·5 claims
- 2931US4185599AControl system for varying the amount of scavenging air to be _admitted to internal combustion engineNISSAN MOTOR·Filed 1978·Granted Jan 29, 1980·2 cites·13 claims
- 3030US3943711AMulti-stage air pump for supplying secondary air into an exhaust gas purification systemNISSAN MOTOR·Filed 1974·Granted Mar 16, 1976·1 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →