Yukio Ota

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing polyester film
- Patent number 5,076,976
- Issue date Dec 31, 1991
- Toray Industries, Inc.
- Seizo Aoki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL