Hiroyoshi Ohba

Follow

Person

Yamaguchi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Extruder
- Patent number 5,678,442
- Issue date Oct 21, 1997
- UBE Industries, Ltd.
- Hiroyoshi Ohba
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...