Kenichi Okawa

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Ichihara-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polypropylene-based resin composition and injection molded article...
- Patent number 6,869,993
- Issue date Mar 22, 2005
- Sumitomo Chemical Company, Limited
- Tsuyoshi Watanabe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermoplastic resin composition and its injection molded article
- Patent number 6,639,002
- Issue date Oct 28, 2003
- Sumitomo Chemical Company, Limited
- Kenichi Okawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Polypropylene-based resin composition and injection molded article...
- Publication number 20040014854
- Publication date Jan 22, 2004
- Sumitomo Chemical Company, Limited
- Tsuyoshi Watanabe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Propylene-based polymer and injection molded article made of the same
- Publication number 20030212193
- Publication date Nov 13, 2003
- Sumitomo Chemical Company, Limited
- Takeshi Maruyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Polypropylene-based resin composition and its injection molded article
- Publication number 20030176555
- Publication date Sep 18, 2003
- Sumitomo Chemical Company, Limited
- Tsuyoshi Watanabe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Thermoplastic resin compositon and its injection molded article
- Publication number 20030100664
- Publication date May 29, 2003
- Sumitomo Chemical Company, Limited
- Kenichi Okawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...