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Hidenobu Takeichi
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Chiba, JP
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last 30 patents
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Patent Grant
Method of and apparatus for manufacturing biaxially oriented film
Patent number
4,978,484
Issue date
Dec 18, 1990
Idemitsu Petrochemical Co., Ltd.
Masao Takashige
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of and apparatus for tubularly drawing thermoplastic resin
Patent number
4,869,863
Issue date
Sep 26, 1989
Idemitsu Petrochemical Co., Ltd.
Teruyuki Iwai
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of producing biaxially oriented film of thermoplastic resin
Patent number
4,734,245
Issue date
Mar 29, 1988
Idemitsu Petrochemical Co., Ltd.
Masao Takashige
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL