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Hiroshima, JP
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Patents Grants
last 30 patents
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Patent Grant
Optical recording substrate, optical recording medium, and manufact...
Patent number
7,187,644
Issue date
Mar 6, 2007
Nissei Plastic Industrial Co., Ltd.
Kazutomi Suzuki
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Phase change optical recording medium and process for manufacturing...
Patent number
6,445,675
Issue date
Sep 3, 2002
Teijin Limited
Atsushi Ebina
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording medium
Patent number
6,251,492
Issue date
Jun 26, 2001
Teijin Limited
Takashi Tomie
G11 - INFORMATION STORAGE
Information
Patent Grant
Phase change optical recording medium containing oxygen and process...
Patent number
6,141,315
Issue date
Oct 31, 2000
Teijin Limited
Atsushi Ebina
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording medium
Patent number
5,093,174
Issue date
Mar 3, 1992
Teijin Limited
Kazutomi Suzuki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium method for producing the same, and method...
Patent number
4,865,916
Issue date
Sep 12, 1989
Teijin Limited
Michio Yamaura
G11 - INFORMATION STORAGE
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Patent Grant
Perpendicular magnetic recording medium, method for producing the s...
Patent number
4,842,708
Issue date
Jun 27, 1989
Teijin Limited
Sadao Kadokura
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording medium, method for producing the s...
Patent number
4,666,788
Issue date
May 19, 1987
Teijin Limited
Sadao Kadokura
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording medium method for producing the sa...
Patent number
4,576,700
Issue date
Mar 18, 1986
Teijin Limited
Sadao Kadokura
G11 - INFORMATION STORAGE
Information
Patent Grant
Perpendicular magnetic recording medium
Patent number
4,507,364
Issue date
Mar 26, 1985
Teijin Limited
Sadao Kadokura
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording medium
Patent number
4,505,966
Issue date
Mar 19, 1985
Teijin Limited
Tomio Adachi
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for producing a perpendicular magnetic recording medium
Patent number
4,407,894
Issue date
Oct 4, 1983
Teijin Limited
Sadao Kadokura
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Optical recording substrate, optical recording medium, and manufact...
Publication number
20040257969
Publication date
Dec 23, 2004
Kazutomi Suzuki
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Optical recording medium and substrate for use therein
Publication number
20030170564
Publication date
Sep 11, 2003
Nobuaki Kido
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...