Hiroshi Okamoto

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Nishinomiya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Press device
- Patent number 4,977,774
- Issue date Dec 18, 1990
- Kabushiki Kaisha Kobe Seiko Sho
- Akira Asari
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Induction stirrer/continuous casting mold assembly
- Patent number 4,690,200
- Issue date Sep 1, 1987
- Kabushiki Kaisha Kobe Seiko Sho
- Hiroshi Okamoto
- B22 - CASTING POWDER METALLURGY