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Haruhiro Iwaki
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Atsugi-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus and method for controlling variable valve timing mechanism
Patent number
6,708,657
Issue date
Mar 23, 2004
Unisia Jecs Corporation
Haruhiro Iwaki
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Apparatus and method for diagnosing variable valve timing apparatus
Patent number
6,615,778
Issue date
Sep 9, 2003
Unisia Jecs Corporation
Haruhiro Iwaki
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Air-fuel ratio control device for internal combustion engine and me...
Patent number
6,453,229
Issue date
Sep 17, 2002
Unisia Jecs Corporation
Shigeo Ohkuma
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patents Applications
last 30 patents
Information
Patent Application
Apparatus and method for controlling variable valve timing mechanism
Publication number
20020174843
Publication date
Nov 28, 2002
UNISIA JECS CORPORATION
Haruhiro Iwaki
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Apparatus and method for diagnosing variable valve timing apparatus
Publication number
20020062798
Publication date
May 30, 2002
UNISIA JECS CORPORATION
Haruhiro Iwaki
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES