Shinji Gotoh

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Fukuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Substrate and heat sink for a semiconductor and method of manufactu...
- Patent number 5,886,269
- Issue date Mar 23, 1999
- Nippon Tungsten Co., Ltd.
- Yasunao Kai
- B22 - CASTING POWDER METALLURGY