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Norio Ozawa
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Kawasaki, JP
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Patents Grants
last 30 patents
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Patent Grant
Thin film magnetic recording-reproducing head having a high recordi...
Patent number
5,912,790
Issue date
Jun 15, 1999
Kabushiki Kaisha Toshiba
Hiroaki Yoda
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Information storage medium
Patent number
5,013,635
Issue date
May 7, 1991
Kabushiki Kaisha Toshiba
Hideki Ohkawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Information storage medium
Patent number
4,985,349
Issue date
Jan 15, 1991
Kabushiki Kaisha Toshiba
Kideki Ohkawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording medium
Patent number
4,961,979
Issue date
Oct 9, 1990
Kabushiki Kaisha Toshiba
Atsuko Iida
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording medium and method of manufacturing the same
Patent number
4,954,841
Issue date
Sep 4, 1990
Kabushiki Kaisha Toshiba
Katsutarou Ichihara
G11 - INFORMATION STORAGE
Information
Patent Grant
Information storage medium and method of manufacturing the same
Patent number
4,929,485
Issue date
May 29, 1990
Kabushiki Kaisha Toshiba
Hideki Ohkawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Radiation sensitive carrier body utilized as stamper structure
Patent number
4,845,000
Issue date
Jul 4, 1989
Tokyo Shibaura Denki Kabushiki Kaisha
Yoshikatsu Takeoka
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for manufacturing bubble-mode optical recording media
Patent number
4,756,811
Issue date
Jul 12, 1988
Kabushiki Kaisha Toshiba
Yoshikatsu Takeoka
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Patent Grant
Information recording medium and manufacturing method thereof
Patent number
4,735,888
Issue date
Apr 5, 1988
Kabushiki Kaisha Toshiba
Yoshikatsu Takeoka
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical type information recording medium and manufacturing method...
Patent number
4,702,991
Issue date
Oct 27, 1987
Kabushiki Kaisha Toshiba
Yoshikatsu Takeoka
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of producing an optical information recording medium
Patent number
4,663,008
Issue date
May 5, 1987
Kabushiki Kaisha Toshiba
Yoshikatsu Takeoka
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Process of using radiation-sensitive carrier body to form stamper s...
Patent number
4,565,772
Issue date
Jan 21, 1986
Tokyo Shibaura Denki Kabushiki Kaisha
Yoshikatsu Takeoka
G11 - INFORMATION STORAGE
Information
Patent Grant
III-V Group compound semiconductor light-emitting element having a...
Patent number
4,447,825
Issue date
May 8, 1984
Tokyo Shibaura Denki Kabushiki Kaisha
Yasuhisa Oana
H01 - BASIC ELECTRIC ELEMENTS