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Masashi Inagaki
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Machida, JP
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last 30 patents
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Patent Grant
Biaxially oriented polyester film for magnetic recording medium
Patent number
5,670,236
Issue date
Sep 23, 1997
Diafoil Hoechst Company, Ltd.
Tomoyuki Kotani
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyethylene naphthalate multilayered film for high density magneti...
Patent number
5,510,192
Issue date
Apr 23, 1996
Diafoil Hoechst Company, Limited
Shigeo Utsumi
G11 - INFORMATION STORAGE
Information
Patent Grant
Base film of digital compact cassette tape
Patent number
5,419,942
Issue date
May 30, 1995
Diafoil Hoechst Company, Limited
Narihiro Masuda
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Laminated polyester film for magnetic tape having specific surface...
Patent number
5,366,783
Issue date
Nov 22, 1994
Diafoil Hoechst Company, Limited
Shigeo Utsumi
G11 - INFORMATION STORAGE
Information
Patent Grant
Polyester multilayered film for high-density magnetic disc
Patent number
5,318,823
Issue date
Jun 7, 1994
Diafoil Hoechst Company, Limited
Shigeo Utsumi
B32 - LAYERED PRODUCTS
Information
Patent Grant
Magnetic recording medium comprising a polyester film substrate, a...
Patent number
5,188,891
Issue date
Feb 23, 1993
Diafoil Company, Limited
Naohiro Takeda
G11 - INFORMATION STORAGE
Information
Patent Grant
Polyester films, magnetic recording media and film capacitors produ...
Patent number
5,106,681
Issue date
Apr 21, 1992
Diafoil Company, Limited
Kazuo Endo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyester films, magnetic recording media and film capacitors produ...
Patent number
4,990,400
Issue date
Feb 5, 1991
Diafoil Company, Limited
Kazuo Endo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...