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Atsushi Saitoh
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Ichikawa, JP
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last 30 patents
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Patent Grant
Magnetic-optical disc memory system and apparatus for switching hea...
Patent number
4,730,289
Issue date
Mar 8, 1988
Hitachi, Ltd.
Atsushi Saitoh
G11 - INFORMATION STORAGE
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Patent Grant
Optical recording method
Patent number
4,646,103
Issue date
Feb 24, 1987
Hitachi, Ltd.
Hisataka Sugiyama
G11 - INFORMATION STORAGE