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Koji Chono
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Okayama, JP
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last 30 patents
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Patent Grant
Method of making pore-free molding with thick section
Patent number
5,102,589
Issue date
Apr 7, 1992
Nippon Zeon Co., Ltd.
Koji Chono
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Reaction injection molding method
Patent number
5,008,065
Issue date
Apr 16, 1991
Nippon Zeon Co., Ltd.
Kin-ichi Okumura
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process for preparing shaped article having thick section
Patent number
4,952,348
Issue date
Aug 28, 1990
Nippon Zeon Co., Ltd.
Yoshiharu Ishimaru
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...