Aya Hamano

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Saitama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sintered plunger and production method therefor
- Patent number 7,541,906
- Issue date Jun 2, 2009
- Hitachi Powdered Metals Co., Ltd.
- Kazuo Asaka
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
Sintered plunger and production method therefor
- Publication number 20070085644
- Publication date Apr 19, 2007
- Hitachi Powdered Metals Co., Ltd.
- Kazuo Asaka
- B22 - CASTING POWDER METALLURGY