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Shunji Kurisu
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Yokohama, JP
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last 30 patents
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Patent Grant
Hexagonal system ferrite powder for a high density magnetic recordi...
Patent number
5,766,763
Issue date
Jun 16, 1998
Kabushiki Kaisha Toshiba
Shunji Kurisu
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of providing hexagonal ferrite magnetic powder with enhanced...
Patent number
5,686,137
Issue date
Nov 11, 1997
Kabushiki Kaisha Toshiba
Etsuji Ogawa
G11 - INFORMATION STORAGE
Information
Patent Grant
High density magnetic recording medium containing hexagonal system...
Patent number
5,576,114
Issue date
Nov 19, 1996
Kabushiki Kaisha Toshiba
Shunji Kurisu
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Magnetic powder for magnetic recording and magnetic recording mediu...
Patent number
5,494,749
Issue date
Feb 27, 1996
Kabushiki Kaisha Toshiba
Osamu Kubo
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic powder for magnetic recording and magnetic recording mediu...
Patent number
5,378,547
Issue date
Jan 3, 1995
Kabushiki Kaisha Toshiba
Osamu Kubo
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording powder, method of manufacturing thereof and appl...
Patent number
4,837,092
Issue date
Jun 6, 1989
Kabushiki Kaisha Toshiba
Hirotaka Yokoyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording powder, method of manufacturing thereof and appl...
Patent number
4,699,771
Issue date
Oct 13, 1987
Kabushiki Kaisha Toshiba
Hirotaka Yokoyama
G11 - INFORMATION STORAGE