Yohei Kuwabara

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Patents Grantslast 30 patents

Information Patent Grant
Finishing method employing electro-chemical machining, and an elect...
- Patent number 4,956,060
- Issue date Sep 11, 1990
- Shizuoka Seiki Co., Ltd.
- Yohei Kuwabara
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Finishing method employing electro-chemical process
- Patent number 4,883,568
- Issue date Nov 28, 1989
- Shizuoka Seiki Co., Ltd.
- Yohei Kuwabara
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR