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Kouichi Morioka
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Katano, JP
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Patents Grants
last 30 patents
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Patent Grant
Device and program for checking optical disks
Patent number
7,092,333
Issue date
Aug 15, 2006
Matsushita Electric Industrial Co., Ltd.
Kouichi Morioka
G11 - INFORMATION STORAGE
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Patent Grant
Optical disc, recording device, and recording device
Patent number
7,023,779
Issue date
Apr 4, 2006
Matsushita Electric Industrial Co., Ltd.
Keiichi Kawashima
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
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Patent Application
Optical disc, recording device, and recording device
Publication number
20030048719
Publication date
Mar 13, 2003
Keiichi Kawashima
G11 - INFORMATION STORAGE