Hirokuni Okada

Follow

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Aqueous metal surface treating agent
- Patent number 6,540,845
- Issue date Apr 1, 2003
- Nippon Dacro Shamrock Co., Ltd.
- Masaki Oyama
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
Aqueous metal surface treating agent
- Publication number 20030047244
- Publication date Mar 13, 2003
- Masaki Oyama
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...