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Etsuro Ikeda
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Miyagi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical recording medium and method for manufacturing the same
Patent number
8,119,215
Issue date
Feb 21, 2012
Sony Corporation
Takemitsu Sakai
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording medium and method for manufacturing the same
Patent number
8,075,975
Issue date
Dec 13, 2011
Sony Corporation
Takemitsu Sakai
G11 - INFORMATION STORAGE
Information
Patent Grant
Write-once type optical recording medium and fabrication method the...
Patent number
7,924,694
Issue date
Apr 12, 2011
Sony Corporation
Yuichi Sabi
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording medium and method for manufacturing same
Patent number
7,787,353
Issue date
Aug 31, 2010
Sony Corporation
Toru Abiko
G11 - INFORMATION STORAGE
Information
Patent Grant
Write once optical recording medium
Patent number
7,468,200
Issue date
Dec 23, 2008
Sony Corporation
Yuichi Sabi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magneto-optical recording medium having pit pitch greater than groo...
Patent number
6,654,337
Issue date
Nov 25, 2003
Sony Corporation
Sohmei Endoh
G11 - INFORMATION STORAGE
Information
Patent Grant
Magneto-optical recording medium
Patent number
6,319,623
Issue date
Nov 20, 2001
Sony Corporation
Etsuro Ikeda
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical device and manufacturing method thereof
Patent number
6,048,597
Issue date
Apr 11, 2000
Sony Corporation
Hiroshi Nakayama
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Information
Patent Grant
DC sputtering system
Patent number
6,022,462
Issue date
Feb 8, 2000
Sony Corporation
Etsuro Ikeda
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Magneto-optical disc having a protective film with minimal projecti...
Patent number
5,745,443
Issue date
Apr 28, 1998
Sony Corporation
Mikio Yoshida
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Information
Patent Grant
Method for producing magneto-optical recording medium
Patent number
5,741,541
Issue date
Apr 21, 1998
Sony Corporation
Etsuro Ikeda
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Information
Patent Grant
Magneto-optical recording medium having a rave earth-transition met...
Patent number
5,585,197
Issue date
Dec 17, 1996
Sony Corporation
Etsuro Ikeda
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Patents Applications
last 30 patents
Information
Patent Application
OPTICAL RECORDING MEDIUM AND METHOD FOR MANUFACTURING THE SAME
Publication number
20100233413
Publication date
Sep 16, 2010
SONY CORPORATION
Takemitsu Sakai
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL RECORDING MEDIUM AND METHOD FOR MANUFACTURING THE SAME
Publication number
20100047503
Publication date
Feb 25, 2010
SONY CORPORATION
Takemitsu Sakai
G11 - INFORMATION STORAGE
Information
Patent Application
INFORMATION RECORDING MEDIUM AND ITS MANUFACTURING METHOD
Publication number
20090130461
Publication date
May 21, 2009
SONY CORPORATION
Yuichi Sabi
G11 - INFORMATION STORAGE
Information
Patent Application
WRITE-ONCE TYPE OPTICAL RECORDING MEDIUM AND FABRICATION METHOD THE...
Publication number
20090097387
Publication date
Apr 16, 2009
SONY CORPORATION
Yuichi Sabi
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL RECORDING MEDIUM AND ITS MANUFACTURING METHOD
Publication number
20080233389
Publication date
Sep 25, 2008
SONY CORPORATION
Takemitsu Sakai
G11 - INFORMATION STORAGE
Information
Patent Application
Write once optical recording medium
Publication number
20060246249
Publication date
Nov 2, 2006
SONY CORPORATION
Yuichi Sabi
G11 - INFORMATION STORAGE
Information
Patent Application
Optical recording medium and method for manufacturing same
Publication number
20050129899
Publication date
Jun 16, 2005
Toru Abiko
G11 - INFORMATION STORAGE
Information
Patent Application
Recording medium and recording medium master, and method of manufac...
Publication number
20020024924
Publication date
Feb 28, 2002
Sony Corporation
Sohmei Endoh
G11 - INFORMATION STORAGE