Keiji Hisahara

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic control system for internal combustion engine
- Patent number 7,409,937
- Issue date Aug 12, 2008
- Hitachi, Ltd.
- Keiji Hisahara
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve timing control system for internal combustion engine
- Patent number 6,802,289
- Issue date Oct 12, 2004
- Hitachi Unisia Automotive, Ltd.
- Hideyuki Miyazaka
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
Hydraulic control system for internal combustion engine
- Publication number 20070095316
- Publication date May 3, 2007
- Hitachi, Ltd.
- Keiji Hisahara
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Valve timing control system for internal combustion engine
- Publication number 20030168032
- Publication date Sep 11, 2003
- HITACHI UNISIA AUTOMOTIVE, LTD.
- Hideyuki Miyazaka
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES