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Masaharu Toyama
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Mishima-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Method of producing thermoplastic resin films and apparatus for pro...
Patent number
6,221,301
Issue date
Apr 24, 2001
Toray Industries, Inc.
Kenji Tsunashima
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
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Patent Application
Sheet manufacturing method and sheet manufacturing die
Publication number
20020036362
Publication date
Mar 28, 2002
Nobutsugu Chigira
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL