Katsutoshi Miyakawa

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing thermoplastic resin films and apparatus for pro...
- Patent number 6,221,301
- Issue date Apr 24, 2001
- Toray Industries, Inc.
- Kenji Tsunashima
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Polyester film reflector for a surface light source
- Patent number 5,672,409
- Issue date Sep 30, 1997
- Toray Industries, Inc.
- Katsutoshi Miyakawa
- B32 - LAYERED PRODUCTS
Information Patent Grant
Thermoplastic resin film
- Patent number 5,654,394
- Issue date Aug 5, 1997
- Toray Industries, Inc.
- Katsutoshi Miyakawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL