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Toshitaka Iwamoto
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Kawasaki, JP
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Patents Grants
last 30 patents
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Patent Grant
Optical memory apparatus having a base with a unitary and integral...
Patent number
6,738,334
Issue date
May 18, 2004
Fujitsu Limited
Hidenori Saitou
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical memory apparatus having planar printed circuit board mounte...
Patent number
6,411,581
Issue date
Jun 25, 2002
Fujitsu Limited
Hidenori Saitou
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical memory apparatus having turn table unit mounted by a plate...
Patent number
6,388,972
Issue date
May 14, 2002
Fujitsu Limited
Hidenori Saitou
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical memory apparatus having a supporting base with an integral,...
Patent number
6,141,309
Issue date
Oct 31, 2000
Fujitsu Limited
Hidenori Saitou
G11 - INFORMATION STORAGE
Information
Patent Grant
System for obtaining optimum focusing position in optical disc system
Patent number
5,142,520
Issue date
Aug 25, 1992
Fujitsu Limited
Shigenori Yanagi
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disk access system
Patent number
5,077,719
Issue date
Dec 31, 1991
Fujitsu Limited
Shigenori Yanagi
G11 - INFORMATION STORAGE
Information
Patent Grant
Tracking servo system for controllably projecting an optical beam o...
Patent number
4,782,474
Issue date
Nov 1, 1988
Fujitsu Limited
Shigeru Arai
G11 - INFORMATION STORAGE