Inventor · disambiguated record
Shin-Ichi Nagumo
Also filed as: NAGUMO SHIN-ICHI · NAKAJIMA YASUO · SUGIHARA KUNIHIKO
13 granted patents·137 citations·filing 1974–1978
92Inventor score
Files withNISSAN MOTOR13
Top patents by PatentIndex Score
13 records- 0176US4350129ASpark-ignition internal combustion engine capable of preventing noxious gas emissionsNISSAN MOTOR·Filed 1978·Granted Sep 21, 1982·27 cites·19 claims
- 0268US4218880ASpark-ignition internal combustion engineNISSAN MOTOR·Filed 1976·Granted Aug 26, 1980·17 cites·48 claims
- 0366US4033309AExhaust gas recirculation system with control apparatus for exhaust gas flow control valveNISSAN MOTOR·Filed 1975·Granted Jul 5, 1977·12 cites·7 claims
- 0463US4116179ADual spark-ignition internal combustion engineNISSAN MOTOR·Filed 1977·Granted Sep 26, 1978·15 cites·17 claims
- 0558US4116180AInternal combustion engine with improved exhaust valve arrangementNISSAN MOTOR·Filed 1977·Granted Sep 26, 1978·9 cites·7 claims
- 0655US4094286AInternal combustion engine and method of reducing toxic compounds in the exhaust gases therefromNISSAN MOTOR·Filed 1976·Granted Jun 13, 1978·11 cites·8 claims
- 0754US3973535AExhaust gas recirculation systemNISSAN MOTOR·Filed 1975·Granted Aug 10, 1976·8 cites·3 claims
- 0851US3952995ALifter mechanism for spring-loaded valveNISSAN MOTOR·Filed 1975·Granted Apr 27, 1976·14 cites·6 claims
- 0950US3974651AAfterburning control of internal combustion engine exhaust gasNISSAN MOTOR·Filed 1974·Granted Aug 17, 1976·10 cites·3 claims
- 1048US4224792AInternal combustion engine equipped with an improved air injection systemNISSAN MOTOR·Filed 1978·Granted Sep 30, 1980·8 cites·6 claims
- 1135US4192262AControl 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
- 1231US4185599AControl 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
- 1330US3943711AMulti-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 →