Hiroyuki Yamashina

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Okayama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Metal powder for electrically conductive paste and electrically con...
- Patent number 7,618,475
- Issue date Nov 17, 2009
- Dowa Electronics Materials Co., Ltd.
- Hiroyuki Yamashina
- F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Metal powder for electrically conductive paste and electrically con...
- Publication number 20060179975
- Publication date Aug 17, 2006
- Hiroyuki Yamashina
- F28 - HEAT EXCHANGE IN GENERAL