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Tsuyoshi Takenaka
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Kawanishi, JP
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last 30 patents
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Patent Grant
Process for production of polymer sheet and optical polymer sheet
Patent number
6,592,802
Issue date
Jul 15, 2003
Sumitomo Bakelite Company Limited
Hideki Goto
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL