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Masao Takashige
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Chiba, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Easily tearable laminated barrier film and bag product using the same
Patent number
6,365,248
Issue date
Apr 2, 2002
Idemitsu Petrochemical Co., Ltd.
Takeo Hayashi
B32 - LAYERED PRODUCTS
Information
Patent Grant
Easy-cleavage shrink laminate film and the bag using the same
Patent number
6,221,502
Issue date
Apr 24, 2001
Idemitsu Petrochemical Co., Ltd.
Masao Takashige
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Snap zipper and a bag with the same
Patent number
5,955,160
Issue date
Sep 21, 1999
Idemitsu Petrochemical Co., Ltd.
Kenichi Tanaka
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Oriented film easy to split and method of producing the same
Patent number
5,925,305
Issue date
Jul 20, 1999
Idemitsu Petrochemical Co., Ltd.
Masao Takashige
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Easy-cleavage film and a method of producing the same
Patent number
5,716,696
Issue date
Feb 10, 1998
Idemitsu Petrochemical Co., Ltd.
Masao Takashige
B32 - LAYERED PRODUCTS
Information
Patent Grant
Snap fastener and a bag for packaging with a snap fastener
Patent number
5,700,091
Issue date
Dec 23, 1997
Idemitsu Petrochemical Co., Ltd.
Kenichi Tanaka
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Oriented film easy to split
Patent number
5,541,011
Issue date
Jul 30, 1996
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 an apparatus for thermally processing crystalline the...
Patent number
5,158,637
Issue date
Oct 27, 1992
Idemitsu Petrochemical Co., Ltd.
Masao Takashige
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process for producing biaxially oriented nylon film
Patent number
5,094,799
Issue date
Mar 10, 1992
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 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
Information
Patent Grant
Method of producing biaxially oriented sheet or film and apparatus...
Patent number
4,443,399
Issue date
Apr 17, 1984
Idemitsu Petrochemical Co., Ltd.
Masao Takashige
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Easily openable self-standing bag
Publication number
20040157015
Publication date
Aug 12, 2004
Idemitsu Petrochemical Co., Ltd.
Masanobu Oshima
B32 - LAYERED PRODUCTS