Mitsuhiko Ichikawa

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Horizontally opposed-die type edging press
- Patent number 4,966,025
- Issue date Oct 30, 1990
- Ishikawajima-Harima Jukogyo Kabushiki Kaisha
- Mitsuhiko Ichikawa
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Rolling roll with variable profile and of the tapered piston type
- Patent number 4,837,906
- Issue date Jun 13, 1989
- Ishikawajima-Harima Jukogyo Kabushiki Kaisha
- Takaaki Mori
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...