Isamu Sakuma

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Otsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Oxygen scavenger
- Patent number 5,143,763
- Issue date Sep 1, 1992
- Toray Industries, Inc.
- Shinichi Yamada
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES