Naofumi Naga

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Propylene/ethylene-α-olefin block copolymer and process for...
- Patent number 6,613,845
- Issue date Sep 2, 2003
- Sumitomo Chemical Company, Limited
- Naofumi Naga
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Solid catalyst component, catalyst for olefin polymerization, and m...
- Patent number 6,281,302
- Issue date Aug 28, 2001
- Sumitomo Chemical Company, Limited
- Naofumi Naga
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Propylene random copolymer and film laminate thereof
- Patent number 6,214,952
- Issue date Apr 10, 2001
- Sumitomo Chemical Co., Ltd.
- Hajime Sadatoshi
- B32 - LAYERED PRODUCTS
Information Patent Grant
Propylene/ethylene-.alpha.-olefin block copolymer and process for p...
- Patent number 5,990,242
- Issue date Nov 23, 1999
- Sumitomo Chemical Co., Ltd.
- Naofumi Naga
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Propylene random copolymer and film laminate thereof
- Patent number 5,830,968
- Issue date Nov 3, 1998
- Sumitomo Chemical Company Limited
- Hajime Sadatoshi
- B32 - LAYERED PRODUCTS