Yasuhiro Yamamoto

Follow

Person

Souraku-gun, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Roll width adjusting device
- Patent number 5,735,157
- Issue date Apr 7, 1998
- Hitachi Zosen Corporation
- Yasuhiro Yamamoto
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Roll type processing facility and roll width adjusting device therefor
- Patent number 5,660,068
- Issue date Aug 26, 1997
- Hitachi Zosen Corporation
- Yasuhiro Yamamoto
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...