Yasutami Matsumoto

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Patents Grantslast 30 patents

Information Patent Grant
Method for measuring accuracy of thread groove and system for the same
- Patent number 5,251,154
- Issue date Oct 5, 1993
- Nippon Seiko Kabushiki Kaisha
- Yasutami Matsumoto
- G01 - MEASURING TESTING
Information Patent Grant
Grinding method and grinding machine with controlled grinding force
- Patent number 5,072,550
- Issue date Dec 17, 1991
- Nippon Seiko Co., Ltd.
- Yasutami Matsumoto
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR