Masahiro Okahara

Follow

Person

Matsudo-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Production method of electrode for cold cathode fluorescent lamp
- Patent number 7,666,348
- Issue date Feb 23, 2010
- Hitachi Powdered Metals Co., Ltd.
- Zenzo Ishijima
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Corrosive resistant metal material covered with conductive substance
- Patent number 7,399,532
- Issue date Jul 15, 2008
- Hitachi Cable, Ltd.
- Masahiro Seido
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
Production method for sintered part
- Publication number 20090291012
- Publication date Nov 26, 2009
- Hitachi Powdered Metals Co., Ltd.
- Masahiro Okahara
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Production method of electrode for cold cathode fluorescent lamp
- Publication number 20060257279
- Publication date Nov 16, 2006
- Hitachi Powdered Metals Co., Ltd.
- Zenzo Ishijima
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Coating material for fuel cell separator
- Publication number 20040211943
- Publication date Oct 28, 2004
- Masahiro Okahara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Corrosive resistant metal material covered with conductive substance
- Publication number 20030235711
- Publication date Dec 25, 2003
- HITACHI CABLE, LTD.
- Masahiro Seido
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...