Yoshiyuki Tsukamoto

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Toyohashi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Water soluble packaging film
- Patent number 5,135,982
- Issue date Aug 4, 1992
- Aicello Chemical Company Limited
- Takayuki Matsumoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...