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Yoshifumi Sakurai
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Minoo, JP
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last 30 patents
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Patent Grant
Magnetooptical recording medium
Patent number
4,670,353
Issue date
Jun 2, 1987
Canon Kabushiki Kaisha
Yoshifumi Sakurai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Magnetic head with an amorphous Hall element
Patent number
4,420,781
Issue date
Dec 13, 1983
Olympus Optical Co., Ltd.
Yoshifumi Sakurai
G11 - INFORMATION STORAGE
Information
Patent Grant
Multichannel magnetic head
Patent number
4,393,427
Issue date
Jul 12, 1983
Olympus Optical Co., Ltd.
Yoshifumi Sakurai
G11 - INFORMATION STORAGE
Information
Patent Grant
Multichannel magnetic head and a manufacturing method therefor
Patent number
4,388,661
Issue date
Jun 14, 1983
Olympus Optical Co., Ltd.
Yoshifumi Sakurai
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic garnet film and manufacturing method therefor
Patent number
4,333,991
Issue date
Jun 8, 1982
Olympus Optical Co., Ltd.
Yoshifumi Sakurai
C30 - CRYSTAL GROWTH