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Yoshinobu Ohshima
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Chiba, JP
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last 30 patents
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Patent Grant
Acetylation method for material containing cellulose, and manufactu...
Patent number
5,525,721
Issue date
Jun 11, 1996
Yamaha Corporation
Yoshinobu Ohshima
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...