Toshihiro Okamoto

Follow

Person

Marugame, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for forming a protective chemical layer on copper and copper...
- Patent number 5,560,785
- Issue date Oct 1, 1996
- Shikoku Chemicals Corporation
- Hirohiko Hirao
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Agent for treating surfaces of copper and copper alloys
- Patent number 5,498,301
- Issue date Mar 12, 1996
- Shikoku Chemicals Corporation
- Hirohiko Hirao
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...