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Tamotsu Maeda
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Kanagawa, JP
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last 30 patents
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Patent Grant
Spindle motor holding structure for an optical disk drive
Patent number
6,400,674
Issue date
Jun 4, 2002
Sony Corporation
Tamotsu Maeda
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk cartridge
Patent number
5,859,831
Issue date
Jan 12, 1999
Sony Corporation
Takashi Naito
G11 - INFORMATION STORAGE
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Patent Grant
Support mechanism for optical block in optical disc drive apparatus
Patent number
5,305,299
Issue date
Apr 19, 1994
Sony Corporation
Tamotsu Maeda
G11 - INFORMATION STORAGE
Information
Patent Grant
Device for controlling rotation of a magnet used in a magneto-optic...
Patent number
4,972,337
Issue date
Nov 20, 1990
Sony Corporation
Naoya Eguchi
G11 - INFORMATION STORAGE