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Junji Nakajima
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical disk device and tilt correction method thereof
Patent number
7,995,429
Issue date
Aug 9, 2011
Hitachi, Ltd.
Koji Iijima
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disk device and tilt correction method thereof
Patent number
7,643,392
Issue date
Jan 5, 2010
Hitachi, Ltd.
Koji Iijima
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disk device and tilt correction method thereof
Patent number
7,295,497
Issue date
Nov 13, 2007
Hitachi, Ltd.
Koji Iljima
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disc with phase pits and a reproducing apparatus for data r...
Patent number
5,541,909
Issue date
Jul 30, 1996
Hitachi, Ltd.
Junji Nakajima
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Optical Disk Device and Tilt Correction Method Thereof
Publication number
20100074069
Publication date
Mar 25, 2010
Hitachi, Ltd
Koji Iijima
G11 - INFORMATION STORAGE
Information
Patent Application
Laser driving method and optical disc recording/reproducing device
Publication number
20080267045
Publication date
Oct 30, 2008
Junji Nakajima
G11 - INFORMATION STORAGE
Information
Patent Application
Optical disk device and tilt correction method thereof
Publication number
20080049577
Publication date
Feb 28, 2008
Hitachi, Ltd
Koji Iijima
G11 - INFORMATION STORAGE
Information
Patent Application
Optical disk device and tilt correction method thereof
Publication number
20050180277
Publication date
Aug 18, 2005
Hitachi, Ltd
Koji Iljima
G11 - INFORMATION STORAGE