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Kouichi Tada
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Motosu-gun, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Disk kind identifying method and disk apparatus
Patent number
7,426,164
Issue date
Sep 16, 2008
Sanyo Electric Co., LTD
Kouichi Tada
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording disc capable of preventing illegal copy
Patent number
6,438,097
Issue date
Aug 20, 2002
Sanyo Electric Co., LTD
Seiji Kajiyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording disc capable of preventing illegal copy
Patent number
6,262,967
Issue date
Jul 17, 2001
Sanyo Electric Co., LTD
Seiji Kajiyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording disc capable of preventing illegal copy
Patent number
6,108,296
Issue date
Aug 22, 2000
Sanyo Electric Co., Ltd.
Seiji Kajiyama
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Disk kind identifying method and disk apparatus
Publication number
20040052181
Publication date
Mar 18, 2004
SANYO ELECTRIC CO., LTD.
Kouichi Tada
G11 - INFORMATION STORAGE