Kouichi Seimiya

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Sakura, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electro-abrasive polishing of the inner surface of pipes to extra-s...
- Patent number 5,294,309
- Issue date Mar 15, 1994
- Agency of Industrial Science and Technology
- Kouichi Seimiya
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Combined electrolytic-abrasive polishing apparatus
- Patent number 4,609,450
- Issue date Sep 2, 1986
- Agency of Industrial Science and Technology
- Kouichi Seimiya
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR