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TETSU TANAKA
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical pickup device, optical disk drive, optical device and compo...
Patent number
7,345,982
Issue date
Mar 18, 2008
Sony Corporation
Norio Fukasawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for making an optical pickup apparatus having a movable unit...
Patent number
7,308,752
Issue date
Dec 18, 2007
Sony Corporation
Tetsu Tanaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical pickup device and optical disc device
Patent number
7,180,668
Issue date
Feb 20, 2007
Sony Corporation
Norio Fukasawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical pickup device and optical disk device and optical device an...
Patent number
7,064,900
Issue date
Jun 20, 2006
Sony Corporation
Norio Fukasawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical pickup and optical disc drive device
Patent number
6,987,614
Issue date
Jan 17, 2006
Sony Corporation
Norio Fukasawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Objective lens device, optical pickup device, and optical informati...
Patent number
6,859,325
Issue date
Feb 22, 2005
Sony Corporation
Norihiro Kato
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
LENS BARREL, CONTROL METHOD, AND IMAGING DEVICE
Publication number
20230393367
Publication date
Dec 7, 2023
SONY GROUP CORPORATION
SYOHEI UCHIDA
G02 - OPTICS
Information
Patent Application
DRIVE DEVICE AND IMAGING APPARATUS
Publication number
20150103423
Publication date
Apr 16, 2015
SONY CORPORATION
Tetsu TANAKA
G02 - OPTICS
Information
Patent Application
DRIVE DEVICE, LENS BARREL AND IMAGING APPARATUS
Publication number
20140293461
Publication date
Oct 2, 2014
SONY CORPORATION
HAJIME NAKAMURA
G02 - OPTICS
Information
Patent Application
Optical pickup device and optical disc device
Publication number
20050163437
Publication date
Jul 28, 2005
Norio Fukasawa
G11 - INFORMATION STORAGE
Information
Patent Application
Optical pickup device, optical disk drive, optical device and compo...
Publication number
20050162995
Publication date
Jul 28, 2005
Norio Fukasawa
G11 - INFORMATION STORAGE
Information
Patent Application
Optical pickup device and optical disk device and optical device an...
Publication number
20050088951
Publication date
Apr 28, 2005
Norio Fukasawa
G11 - INFORMATION STORAGE
Information
Patent Application
Optical pickup apparatus and method for making the same
Publication number
20050002287
Publication date
Jan 6, 2005
Tetsu Tanaka
G11 - INFORMATION STORAGE
Information
Patent Application
Optical pickup device and optical information recording and/or repr...
Publication number
20040168177
Publication date
Aug 26, 2004
SONY CORPORATION
Tetsu Tanaka
G11 - INFORMATION STORAGE
Information
Patent Application
Objective lens device, optical pickup device, and optical informati...
Publication number
20040027674
Publication date
Feb 12, 2004
Norhiro Kato
G11 - INFORMATION STORAGE
Information
Patent Application
Optical pickup and optical disc drive
Publication number
20030165014
Publication date
Sep 4, 2003
Norio Fukasawa
G11 - INFORMATION STORAGE