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Keiichi Ida
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical information recording medium and recording method thereof
Patent number
7,887,993
Issue date
Feb 15, 2011
Taiyo Yuden Co., Ltd.
Keiichi Ida
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording medium, method for recording/reproduc...
Patent number
6,990,049
Issue date
Jan 24, 2006
Taiyo Yuden Co., Ltd.
Yoshikazu Takagishi
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording medium
Patent number
6,874,156
Issue date
Mar 29, 2005
Taiyo Yuden Co., Ltd.
Yoshikazu Takagishi
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording medium
Patent number
6,792,613
Issue date
Sep 14, 2004
Taiyo Yuden Co., Ltd.
Yoshikazu Takagishi
G11 - INFORMATION STORAGE
Information
Patent Grant
Ion sensor and ion sensor plate
Patent number
6,328,866
Issue date
Dec 11, 2001
Taiyo Yuden Co., Ltd.
Shoichiro Hirakuni
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Optical Information Recording Medium and Recording Method Thereof
Publication number
20080253274
Publication date
Oct 16, 2008
Taiyo Yuden Co., Ltd.
Keiichi Ida
G11 - INFORMATION STORAGE
Information
Patent Application
Optical information recording medium, method for recording/reproduc...
Publication number
20030048734
Publication date
Mar 13, 2003
Yoshikazu Takagishi
G11 - INFORMATION STORAGE
Information
Patent Application
Optical information recording medium
Publication number
20020154595
Publication date
Oct 24, 2002
Yoshikazu Takagishi
G11 - INFORMATION STORAGE
Information
Patent Application
Optical information recording medium
Publication number
20020150034
Publication date
Oct 17, 2002
Yoshikazu Takagishi
G11 - INFORMATION STORAGE
Information
Patent Application
Optical information recording medium
Publication number
20020150030
Publication date
Oct 17, 2002
Yoshikazu Takagishi
G11 - INFORMATION STORAGE