Ryozi Takekoshi

Follow

Person

Tokorozawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Surface-treated magnesium or magnesium alloy, and surface treatment...
- Patent number 4,770,946
- Issue date Sep 13, 1988
- Nippon Telegraph & Telephone Corporation
- Goro Yamauchi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...