Kenichi Tsutsumi

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polyester composition and film, and production method
- Patent number 6,365,659
- Issue date Apr 2, 2002
- Toray Industries, Inc.
- Masatoshi Aoyama
- B32 - LAYERED PRODUCTS
Information Patent Grant
Polyester polymerization catalyst, a production method thereof, and...
- Patent number 6,156,867
- Issue date Dec 5, 2000
- Toray Industries, Inc.
- Masatoshi Aoyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyester polymerization catalyst, a production method thereof, and...
- Patent number 6,020,454
- Issue date Feb 1, 2000
- Toray Industries, Inc.
- Masatoshi Aoyama