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Mitsuo Satake
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Toyokawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical pickup device and laser welding structure of optical compon...
Patent number
8,424,030
Issue date
Apr 16, 2013
Hitachi Media Electronics Co., Ltd.
Satoshi Arai
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical pickup device in which optical part is fixedly joined to pi...
Patent number
8,395,981
Issue date
Mar 12, 2013
Hitachi Media Electronics Co., Ltd.
Satoshi Arai
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical pickup device and optical disc drive apparatus
Patent number
7,873,970
Issue date
Jan 18, 2011
Hitachi Media Electronics Co., Ltd.
Satoshi Arai
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical head and optical disc drive
Patent number
7,830,755
Issue date
Nov 9, 2010
Hitachi Media Electronics Co., Ltd.
Manabu Ochi
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Information
Patent Grant
Optical disk drive apparatus having a flexible substrate and wiring...
Patent number
7,475,412
Issue date
Jan 6, 2009
Hitachi Media Electronics Co., Ltd.
Satoshi Arai
G11 - INFORMATION STORAGE
Information
Patent Grant
Disc driving apparatus
Patent number
6,871,351
Issue date
Mar 22, 2005
Hitachi, Ltd.
Yoshiaki Yamauchi
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Information
Patent Grant
Objective lens driving device and optical disc apparatus
Patent number
6,496,451
Issue date
Dec 17, 2002
Hitachi, Ltd.
Katsuhiko Kimura
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Information
Patent Grant
Disk loading and unloading system
Patent number
4,561,084
Issue date
Dec 24, 1985
Hitachi, Ltd.
Mitsuo Satake
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Patents Applications
last 30 patents
Information
Patent Application
OPTICAL COMPONENT LASER-WELDED STRUCTURE AND OPTICAL PICKUP MANUFAC...
Publication number
20110110213
Publication date
May 12, 2011
Hitachi Media Electronics Co. Ltd.
Satoshi ARAI
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Information
Patent Application
OPTICAL PICKUP DEVICE AND LASER WELDING STRUCTURE OF OPTICAL COMPON...
Publication number
20100034070
Publication date
Feb 11, 2010
Satoshi Arai
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Information
Patent Application
OPTICAL PICKUP DEVICE
Publication number
20090129239
Publication date
May 21, 2009
Satoshi Arai
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Information
Patent Application
OPTICAL HEAD AND OPTICAL DISC DRIVE
Publication number
20080080358
Publication date
Apr 3, 2008
Manabu OCHI
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Information
Patent Application
OPTICAL PICKUP DEVICE AND OPTICAL DISC DRIVE APPARATUS
Publication number
20080052734
Publication date
Feb 28, 2008
Satoshi Arai
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Information
Patent Application
Optical disc drive apparatus, flexible printed circuit board joint...
Publication number
20070169136
Publication date
Jul 19, 2007
Hiromichi Hiramatsu
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Information
Patent Application
Optical disk drive apparatus
Publication number
20060161940
Publication date
Jul 20, 2006
Satoshi Arai
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Information
Patent Application
Disc driving apparatus
Publication number
20030021220
Publication date
Jan 30, 2003
Yoshiaki Yamauchi
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Information
Patent Application
Objective lens driving device and optical disc apparatus
Publication number
20020071376
Publication date
Jun 13, 2002
Katsuhiko Kimura
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