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Yoshinobu Yukinaga
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Hyogo, JP
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last 30 patents
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Patent Grant
Apparatus for molding a formatted substrate for an optical disk
Patent number
5,171,585
Issue date
Dec 15, 1992
Daicel Chemical Industries, Ltd.
Yoshio Onisawa
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
Method for molding a formatted substrate for an optical disk
Patent number
5,106,553
Issue date
Apr 21, 1992
Daicel Chemical Industries, Ltd.
Yoshio Onisawa
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL