Katsuro Kawahara

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Joint structure for power transmitting member and method for produc...
- Patent number 7,140,800
- Issue date Nov 28, 2006
- Hitachi, Ltd.
- Kenichi Sugiyama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Coupling member of power transmission apparatus
- Patent number 7,074,129
- Issue date Jul 11, 2006
- Hitachi, Ltd.
- Kenichi Sugiyama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Joint structure for power transmitting member and method for produc...
- Patent number 7,062,835
- Issue date Jun 20, 2006
- Hitachi, Ltd.
- Kenichi Sugiyama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Joint structure for power transmitting member and method for produc...
- Publication number 20050125984
- Publication date Jun 16, 2005
- UNISIA JECS CORPORATION
- Kenichi Sugiyama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Coupling member of power transmission apparatus
- Publication number 20030207715
- Publication date Nov 6, 2003
- HITACHI UNISIA AUTOMOTIVE, LTD.
- Kenichi Sugiyama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Joint structure for power transmitting member and method for produc...
- Publication number 20030068194
- Publication date Apr 10, 2003
- UNISIA JECS CORPORATION
- Kenichi Sugiyama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...