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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Polyester film capacitor element
Patent number
5,581,435
Issue date
Dec 3, 1996
Diafoil Company, Limited
Shin-ichi Kinoshita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electrically conductive film
Patent number
5,385,768
Issue date
Jan 31, 1995
Diafoil Company, Limited
Yuzo Otani
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Low-shrinkage polyester film and preparation thereof
Patent number
RE34727
Issue date
Sep 13, 1994
Diafoil Company, Ltd.
Shigeo Utsumi
264 - Plastic and nonmetallic article shaping or treating: processes
Information
Patent Grant
High density magnetic recording medium
Patent number
5,212,006
Issue date
May 18, 1993
Diafoil Company, Ltd.
Utsumi Shigeo
G11 - INFORMATION STORAGE
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 film for magnetic recording media
Patent number
5,164,439
Issue date
Nov 17, 1992
Diafoil Company, Ltd.
Seiji Sakamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyester film for capacitor
Patent number
5,153,302
Issue date
Oct 6, 1992
Diafoil Company, Limited
Narihiro Masuda
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Laminating material for safety glass
Patent number
5,145,746
Issue date
Sep 8, 1992
Diafoil Company, Ltd.
Kotani Tomoyuki
B32 - LAYERED PRODUCTS
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
Biaxially oriented polyester film containing multilayered cross-lin...
Patent number
5,100,719
Issue date
Mar 31, 1992
Diafoil Company, Limited
Kazuo Endo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Biaxially oriented polyester film
Patent number
5,096,773
Issue date
Mar 17, 1992
Diafoil Company, Limited
Seiji Sakamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Data processing apparatus provided in copying machine
Patent number
5,095,332
Issue date
Mar 10, 1992
Diafoil Company, Limited
Kazuyuki Ohnishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Low-shrinkage polyester film and preparation thereof
Patent number
5,093,064
Issue date
Mar 3, 1992
Diafoil Company, Ltd.
Shigeo Utsumi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Biaxially oriented polyester film for use in floppy disc
Patent number
5,087,526
Issue date
Feb 11, 1992
Diafoil Company, Limited
Kichinojo Tomitaka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Stretched polyester film having an antistatic coating comprising a...
Patent number
5,082,730
Issue date
Jan 21, 1992
Diafoil Company, Limited
Naohiro Takeda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Moldable biaxially stretched polyester film
Patent number
5,071,690
Issue date
Dec 10, 1991
Diafoil Company, Limited
Yujiro Fukuda
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Shrinkable copolyester film
Patent number
5,070,180
Issue date
Dec 3, 1991
Diafoil Company, Ltd.
Yujiro Fukuda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Biaxially oriented polyester film
Patent number
5,061,571
Issue date
Oct 29, 1991
Diafoil Company, Limited
Seiji Sakamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Heat-sealable laminated polyester film
Patent number
5,059,470
Issue date
Oct 22, 1991
Diafoil Company, Ltd.
Yujiro Fukuda
B32 - LAYERED PRODUCTS
Information
Patent Grant
Polyester film for high density magnetic recording medium
Patent number
5,045,379
Issue date
Sep 3, 1991
Diafoil Company, Limited
Tomoyuki Kotani
G11 - INFORMATION STORAGE
Information
Patent Grant
Polyester laminated film
Patent number
5,045,384
Issue date
Sep 3, 1991
Diafoil Company, Limited
Satoshi Otonari
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Polyester composition
Patent number
5,023,291
Issue date
Jun 11, 1991
Diafoil Company, Limited
Seiji Sakamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyester film for magnetic recording media
Patent number
5,006,589
Issue date
Apr 9, 1991
Diafoil Company, Limited
Seiji Sakamoto
G11 - INFORMATION STORAGE
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-...
Information
Patent Grant
Apparatus for preparing polymer film
Patent number
4,986,746
Issue date
Jan 22, 1991
Diafoil Company, Limited
Mitsugu Hosoi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process of making a biaxially stretched polyester film and biaxiall...
Patent number
4,985,537
Issue date
Jan 15, 1991
Diafoil Company, Limited
Shigeo Utsumi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Shrinkable polyester film
Patent number
4,985,538
Issue date
Jan 15, 1991
Diafoil Company, Limited
Yujiro Fukuda
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Polyester shrinkable film containing benzotriazole
Patent number
4,983,653
Issue date
Jan 8, 1991
Diafoil Company, Ltd.
Yujiro Fukuda
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Heat-resistant film or sheet
Patent number
4,977,230
Issue date
Dec 11, 1990
Mitsubishi Chemical Industries Limited
Seiichi Nozawa
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Transfer material for use with printer
Patent number
4,977,020
Issue date
Dec 11, 1990
Diafoil Company, Ltd.
Shigeo Utsumi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74233978 - DIAFOIL
Serial number
74233978
Registration number
1745795
Filing date
Dec 30, 1991
DIAFOIL CO., LTD.
17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
Information
Trademark
74092071 - DIAFOIL
Serial number
74092071
Filing date
Aug 28, 1990
Diafoil Co., Ltd.
16 - Paper, cardboard and goods made from these materials, not included in other classes
Information
Trademark
74028946 - BOTTLEMATE
Serial number
74028946
Filing date
Feb 14, 1990
Diafoil Company, Limited
17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
Information
Trademark
73286554 - DIAFOIL
Serial number
73286554
Registration number
1286010
Filing date
Nov 14, 1980
Diafoil Co., Ltd.
17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes