Kouki Minamoto

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Fukuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
WC-base composite ceramic sintered compact
- Patent number 6,551,954
- Issue date Apr 22, 2003
- Nippon Tungsten Co., Ltd.
- Mitsuyoshi Nagano
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC