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Toshiaki Tajima
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical information medium and recording method therefor
Patent number
6,728,198
Issue date
Apr 27, 2004
Taiyo Yuden Co., Ltd.
Toru Fujii
G11 - INFORMATION STORAGE
Information
Patent Grant
High-density optical information recording medium and a substrate a...
Patent number
6,721,265
Issue date
Apr 13, 2004
Taiyo Yuden Co., Ltd.
Toru Fujii
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording medium for recording optically reprod...
Patent number
6,711,118
Issue date
Mar 23, 2004
Taiyo Yuden Co., Ltd.
Toshiaki Tajima
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information medium
Patent number
6,493,312
Issue date
Dec 10, 2002
Taiyo Yuden Co., Ltd.
Ryou Negishi
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information medium and recording method therefor
Patent number
6,452,899
Issue date
Sep 17, 2002
Taiyo Yuden Co., Ltd.
Toru Fujii
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information recording medium
Patent number
6,291,045
Issue date
Sep 18, 2001
Taiyo Yuden Co., Ltd.
Toshiaki Tajima
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information medium
Patent number
5,895,697
Issue date
Apr 20, 1999
Taiyo Yuden Co., Ltd.
Toshiaki Tajima
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Optical information medium and recording method therefor
Publication number
20020145967
Publication date
Oct 10, 2002
Taiyo Yuden Co., Ltd.
Toru Fujii
G11 - INFORMATION STORAGE