Masayuki Kumashiro

Follow

Person

Saitama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Pressing method and punch and die press for the same
- Patent number 4,689,979
- Issue date Sep 1, 1987
- Honda Giken Kogyo Kabushiki Kaisha
- Nobuyuki Otsuka
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...