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Yoshitaka Ochiai
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Kanagawa, JP
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last 30 patents
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Patent Grant
Magneto-optical recording medium
Patent number
5,958,575
Issue date
Sep 28, 1999
Sony Corporation
Kensuke Fijimoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Magneto-optical recording medium with stacked layer structure
Patent number
5,400,307
Issue date
Mar 21, 1995
Sony Corporation
Yoshitaka Ochiai
G11 - INFORMATION STORAGE
Information
Patent Grant
High density dual gap magnetic head using polar Kerr effect
Patent number
5,296,989
Issue date
Mar 22, 1994
Sony Corporation
Yoshitaka Ochiai
G11 - INFORMATION STORAGE
Information
Patent Grant
Soft magnetic thin film
Patent number
4,748,000
Issue date
May 31, 1988
Sony Corporation
Kazuhiko Hayashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetic composite film
Patent number
4,707,417
Issue date
Nov 17, 1987
Sony Corporation
Masatoshi Hayakawa
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Magnetic material having high permeability in the high frequency range
Patent number
4,640,871
Issue date
Feb 3, 1987
Sony Corporation
Kazuhiko Hayashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing an amorphous magnetic alloy
Patent number
4,639,278
Issue date
Jan 27, 1987
Sony Corporation
Yoshimi Makino
C21 - METALLURGY OF IRON
Information
Patent Grant
Annealing method for amorphous magnetic alloy
Patent number
4,475,962
Issue date
Oct 9, 1984
Sony Corporation
Masatoshi Hayakawa
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of manufacturing an amorphous magnetic alloy
Patent number
4,473,415
Issue date
Sep 25, 1984
Sony Corporation
Yoshitaka Ochiai
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method of manufacturing amorphous magnetic alloy ribbon and use for...
Patent number
4,444,602
Issue date
Apr 24, 1984
Sony Corporation
Yoshimi Makino
C21 - METALLURGY OF IRON