Kouji Hirao

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Worm wheel and worm gear
- Patent number 7,640,822
- Issue date Jan 5, 2010
- Aisin Seiki Kabushiki Kaisha
- Yasuaki Suzuki
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Vehicle shock absorbing system
- Patent number 5,189,614
- Issue date Feb 23, 1993
- Aisin Seiki K.K.
- Hiroshi Mitsuoka
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Shock absorber producing variable damping force
- Patent number 5,160,162
- Issue date Nov 3, 1992
- Aisin Seiki Kabushiki Kaisha
- Naoki Mouri
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Apparatus for driving rotary valve of shock absorber
- Patent number 4,754,855
- Issue date Jul 5, 1988
- Aishin Seiki Kabushiki Kaisha
- Kazutaka Kuwana
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Apparatus for driving rod for rotation
- Patent number 4,702,123
- Issue date Oct 27, 1987
- Aisin Seiki Kabushikikaisha
- Kouji Hirao
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
WORM WHEEL AND WORM GEAR
- Publication number 20070295129
- Publication date Dec 27, 2007
- AISIN SEIKI KABUSHIKI KAISHA
- Yasuaki SUZUKI
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...