Kenichiro Kumagai

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for recording optical information, apparatus a...
- Patent number 7,085,217
- Issue date Aug 1, 2006
- Optware Corporation
- Hideyoshi Horimai
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Apparatus and method for recording optical information, apparatus a...
- Publication number 20030147328
- Publication date Aug 7, 2003
- Hideyoshi Horimai
- G11 - INFORMATION STORAGE