Kouichi Okumura

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Block copolymer having (meth) acryloyl groups in side chains and co...
- Patent number 6,177,524
- Issue date Jan 23, 2001
- Daicel Chemical Industries Ltd.
- Yoshihiro Ohtsuka
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
Flame retardant composition process for producing the same, flame-r...
- Publication number 20050070647
- Publication date Mar 31, 2005
- Shuso Iyoshi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Form made from recycled resin
- Publication number 20040200177
- Publication date Oct 14, 2004
- Kouichi Okumura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...