Kazuhiko Koya

Follow

Person

Chiyoda-ku, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Aromatic polycarbonate resin composition and manufacturing process...
- Patent number 8,110,622
- Issue date Feb 7, 2012
- Teijin Chemicals LTD
- Yoji Ohira
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Flame-resistant resin composition and article molded therefrom
- Patent number 7,169,837
- Issue date Jan 30, 2007
- Teijin Chemicals, LTD
- Katsuhiro Yamanaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Optical recording medium
- Patent number 6,875,489
- Issue date Apr 5, 2005
- Teijin Chemicals, LTD
- Kazuhiko Koya
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Aromatic Polycarbonate Resin Composition and Manufacturing Process...
- Publication number 20070299169
- Publication date Dec 27, 2007
- Yoji Ohira
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Optical recording medium
- Publication number 20040241375
- Publication date Dec 2, 2004
- Kazuhiko Koya
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Flame-resistant resin composition and article molded therefrom
- Publication number 20040132876
- Publication date Jul 8, 2004
- Katsuhiro Yamanaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...