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Maebashi, JP
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last 30 patents
Information
Patent Grant
System and method for learning and controlling air/fuel mixture rat...
Patent number
5,297,046
Issue date
Mar 22, 1994
Japan Electronic Control Systems Co., Ltd.
Shinpei Nakaniwa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
System for detecting and adjusting for variation in cylinder pressu...
Patent number
5,276,625
Issue date
Jan 4, 1994
Japan Electronic Control Systems Co., Ltd.
Shinpei Nakaniwa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Engine idling speed control apparatus
Patent number
5,269,272
Issue date
Dec 14, 1993
Japan Electronic Control Systems Co., Ltd.
Shinpei Nakaniwa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
System for transferring data between program development computer a...
Patent number
5,261,078
Issue date
Nov 9, 1993
Japan Electronic Control Systems Co., Ltd.
Shinpei Nakaniwa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of and apparatus for learning and controlling air-fuel ratio...
Patent number
5,243,951
Issue date
Sep 14, 1993
Japan Electronic Control Systems Co., Ltd.
Shinpei Nakaniwa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Air/fuel ratio feedback control system for internal combustion engine
Patent number
5,227,975
Issue date
Jul 13, 1993
Japan Electronic Control Systems Co., Ltd.
Shinpei Nakaniwa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Apparatus for controllably sucking intake air into each cylinder of...
Patent number
5,168,954
Issue date
Dec 8, 1992
Japan Electronic Control Systems Company, Limited
Shinpei Nakaniwa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Wall flow learning method and device for fuel supply control system...
Patent number
5,144,933
Issue date
Sep 8, 1992
Japan Electronic Control Systems Co., Ltd.
Shinpei Nakaniwa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method and apparatus for controlling vehicular suspension
Patent number
5,141,246
Issue date
Aug 25, 1992
Japan Electronic Control Systems Co., Ltd.
Shinpei Nakaniwa
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Apparatus for controlling the respective cylinders in the fuel supp...
Patent number
5,131,372
Issue date
Jul 21, 1992
Japan Electronic Control Systems Co., Ltd.
Shinpei Nakaniwa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Learning-correcting method and apparatus and self-diagnosis method...
Patent number
5,126,943
Issue date
Jun 30, 1992
Japan Electric Control Systems Co., Ltd.
Shinpei Nakaniwa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method and apparatus for detecting misfired cylinder of internal co...
Patent number
5,105,657
Issue date
Apr 21, 1992
Japan Electronic Control Systems Co., Ltd.
Shinpei Nakaniwa
G01 - MEASURING TESTING
Information
Patent Grant
Process and apparatus for learning and controlling air/fuel ratio i...
Patent number
5,099,817
Issue date
Mar 31, 1992
Japan Electronic Control Systems Co., Ltd.
Shinpei Nakaniwa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
System and method for controlling air/fuel mixture ratio of air and...
Patent number
5,065,728
Issue date
Nov 19, 1991
Japan Electronic Control Systems Co., Ltd.
Shinpei Nakaniwa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
System for identifying misfire cylinder in internal combustion engine
Patent number
5,058,551
Issue date
Oct 22, 1991
Japan Electronic Control Systems Company, Limited
Shinpei Nakaniwa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method and apparatus for detection and diagnosis of air-fuel ratio...
Patent number
5,048,490
Issue date
Sep 17, 1991
Japan Electronic Control Systems Co., Ltd.
Shinpei Nakaniwa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method and apparatus for controlling supply of fuel into internal c...
Patent number
5,050,084
Issue date
Sep 17, 1991
Japan Electronic Control Systems Co., Ltd.
Shinpei Nakaniwa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Apparatus for detecting intake pressure in internal combustion engine
Patent number
5,031,450
Issue date
Jul 16, 1991
Japan Electronic Control Systems Co., Ltd.
Shinpei Nakaniwa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method and apparatus for self-diagnosis of air leakage in control s...
Patent number
5,007,399
Issue date
Apr 16, 1991
Japan Electronic Control Systems Co., Ltd.
Shinpei Nakaniwa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method and apparatus for detecting intake air state quantity in an...
Patent number
4,987,877
Issue date
Jan 29, 1991
Japan Electronic Control Systems Co., Ltd.
Shinpei Nakaniwa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Control system for internal combustion engine with improved transit...
Patent number
4,986,245
Issue date
Jan 22, 1991
Japan Electronic Control Systems Company, Limited
Shinpei Nakaniwa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Fuel supply control system for internal combustion engine with feat...
Patent number
4,957,083
Issue date
Sep 18, 1990
Japan Electronic Control Systems Company, Limited
Shinpei Nakaniwa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Fuel injection control system for internal combustion engine with c...
Patent number
4,951,635
Issue date
Aug 28, 1990
Japan Electronic Control Systems Company, Limited
Shinpei Nakaniwa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Control system for internal combustion engine with improved control...
Patent number
4,947,816
Issue date
Aug 14, 1990
Japan Electronic Control Systems Company, Limited
Shinpei Nakaniwa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Fuel supply control system for internal combustion engine with impr...
Patent number
4,941,448
Issue date
Jul 17, 1990
Japan Electronic Control Systems Co., Ltd.
Shinpei Nakaniwa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Electronic air-fuel ratio control apparatus in internal combustion...
Patent number
4,915,080
Issue date
Apr 10, 1990
Japan Electronic Control Systems Co., Ltd.
Shinpei Nakaniwa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Fuel injection control system for multi-cylinder internal combustio...
Patent number
4,911,132
Issue date
Mar 27, 1990
Japan Electronic Control Systems Company, Limited
Shinpei Nakaniwa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Fuel control apparatus for internal combustion engine
Patent number
4,911,131
Issue date
Mar 27, 1990
Nissan Motor Company, Limited
Shinpei Nakaniwa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Fuel injection control system for multi-cylinder internal combustio...
Patent number
4,889,100
Issue date
Dec 26, 1989
Japan Electronic Control Systems Company, Limited
Shinpei Nakaniwa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Fuel supply control system for multi-cylinder internal combustion e...
Patent number
4,883,038
Issue date
Nov 28, 1989
Japan Electronic Control Systems Co., Ltd.
Shinpei Nakaniwa
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS