Kazuharu Itoh

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Oita, JP

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Patents Grantslast 30 patents

Information Patent Grant
Propylene-based polymer, method for its production, composition the...
- Patent number 6,323,298
- Issue date Nov 27, 2001
- Showa Denko K.K.
- Hisayoshi Yanagihara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Propylene-based polymer, method for its production, composition the...
- Patent number 6,184,328
- Issue date Feb 6, 2001
- Showa Denko Kabushiki Kaisha
- Hisayoshi Yanagihara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Propylene-based polymer, method of its production, composition ther...
- Patent number 5,916,990
- Issue date Jun 29, 1999
- Showa Denko K.K.
- Hisayoshi Yanagihara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...