Takehisa Konishi

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Metal material having formed thereon chromium oxide passive film an...
- Patent number 8,137,787
- Issue date Mar 20, 2012
- Fujikin, Inc.
- Tadahiro Ohmi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Metal material having formed thereon chromium oxide passive film an...
- Patent number 7,935,385
- Issue date May 3, 2011
- Fujikin, Inc.
- Tadahiro Ohmi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process for surface treatment of stainless steel sheet
- Patent number 4,427,499
- Issue date Jan 24, 1984
- Nippon Kinzoku Co., Ltd.
- Tomoge Hitomi
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Patents Applicationslast 30 patents

Information Patent Application
Metal material having formed thereon chromium oxide passive film an...
- Publication number 20080003441
- Publication date Jan 3, 2008
- TADAHIRO OHMI
- Tadahiro Ohmi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Metal material having formed thereon chromium oxide passive film an...
- Publication number 20060174977
- Publication date Aug 10, 2006
- Tadahiro OHMI
- Tadahiro Ohmi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...