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Akira Kubota
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Otsu-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Biaxially oriented film having specified micro protrusions
Patent number
7,022,396
Issue date
Apr 4, 2006
Toray Industries, Inc.
Akira Kubota
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyester film and magnetic recording medium using the same
Patent number
6,783,889
Issue date
Aug 31, 2004
Toray Industries, Inc.
Akira Kubota
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Biaxially oriented polyester film
Patent number
6,331,344
Issue date
Dec 18, 2001
Toray Industries, Inc.
Iwao Okazaki
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
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Patent Application
Polyester film and magnetic recording medium using the same
Publication number
20020114977
Publication date
Aug 22, 2002
Akira Kubota
B32 - LAYERED PRODUCTS