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Manabu Takemura
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Osaka, JP
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last 30 patents
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Patent Grant
Optical material of low specific gravity and excellent impact resis...
Patent number
5,132,384
Issue date
Jul 21, 1992
Nippon Shokubai Co., Ltd.
Tatsuhito Matsuda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...