Yoshihiro Doyama

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
System for detecting malfunction by monitoring torque of a transfer...
- Patent number 5,621,289
- Issue date Apr 15, 1997
- Kurimoto, Ltd.
- Yoshihiro Doyama
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Automatic transfer apparatus for use in a forging press
- Patent number 5,267,463
- Issue date Dec 7, 1993
- Kurimoto, Ltd.
- Yoshihiro Doyama
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...