Shin-ichi Ishikawa

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Saitama-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polycarbonate resin coextruded article
- Patent number 6,333,114
- Issue date Dec 25, 2001
- Asahi Denka Kogyo Kabushiki Kaisha
- Etsuo Tobita
- B32 - LAYERED PRODUCTS