Kohei Okumura

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Methacrylic resin and process for producing thererof
- Patent number 7,964,690
- Issue date Jun 21, 2011
- ASAHI KASEI CHEMICALS CORPORATION
- Naoki Azuma
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Methacrylic Resin and Process for Producing Thererof
- Publication number 20090239050
- Publication date Sep 24, 2009
- ASAHI KASEI CHEMICALS CORPORATION
- Naoki Azuma
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...