Yasutsuga Yoshimura

Follow

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Tandem mill system and work roll crossing mill
- Patent number 5,657,655
- Issue date Aug 19, 1997
- Hitachi, Ltd.
- Kenichi Yasuda
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...