Hisakazu Sakamoto

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Work rotating device for laser beam machine tool
- Patent number 5,204,507
- Issue date Apr 20, 1993
- Tsubakimoto Chain Co.
- Koichi Saeda
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Conveying equipment
- Patent number 4,570,543
- Issue date Feb 18, 1986
- Tsubakimoto Chain Co.
- Takashi Ishikura
- B61 - RAILWAYS