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Katsumi Uchiyama
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Sodegaura-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing transparent polypropylene sheet and transparen...
Patent number
7,169,855
Issue date
Jan 30, 2007
Idemitsu Unitech Co., Ltd.
Shigeki Yamaguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Producing method of a thermoplastic resin sheet and producing appar...
Patent number
6,756,002
Issue date
Jun 29, 2004
Idemitsu Petrochemical Co., Ltd.
Atsushi Fujii
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Producing method of a thermoplastic resin sheet and producing appar...
Patent number
6,306,327
Issue date
Oct 23, 2001
Idemitsu Petrochemical Co., Ltd.
Atsushi Fujii
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method for producing a laminated thermoplastic resin film, a lamina...
Patent number
5,833,792
Issue date
Nov 10, 1998
Idemitsu Petrochemical Co., Ltd.
Akira Funaki
B32 - LAYERED PRODUCTS
Information
Patent Grant
Optical disk substrate and optical information-storage medium
Patent number
5,215,799
Issue date
Jun 1, 1993
Idemitsu Petrochemical Co., Ltd.
Atsunobu Sakoda
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Method for producing transparent polypropylene sheet and transparen...
Publication number
20050067734
Publication date
Mar 31, 2005
Shigeki Yamaguchi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Producing method of a thermoplastic resin sheet and producing appar...
Publication number
20020027309
Publication date
Mar 7, 2002
Idemitsu Petrochemical Co., Ltd.
Atsushi Fujii
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL