Masaru Sumitani

Follow

Person

Toyama-city, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Tooth rolling flat dies and method for forming teeth
- Patent number 6,598,453
- Issue date Jul 29, 2003
- Nachi-Fujikoshi Corp.
- Yasuhiro Murai
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Tooth rolling flat dies and method for forming teeth
- Publication number 20020043094
- Publication date Apr 18, 2002
- Yasuhiro Murai
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...