Takashi Hattori

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Fukuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Internal engine piston and its production method
- Patent number 7,503,304
- Issue date Mar 17, 2009
- Hitachi Metals, Ltd.
- Koki Otsuka
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Coupler for connecting trailer to tractor
- Patent number 4,572,537
- Issue date Feb 25, 1986
- Hitachi Metals, Ltd.
- Takashi Hattori
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

Information Patent Application
INTERNAL ENGINE PISTON AND ITS PRODUCTION METHOD
- Publication number 20060191508
- Publication date Aug 31, 2006
- Koki Otsuka
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...