Hideaki Tomotsu

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Gifu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical reading document board and optical reader
- Patent number 7,286,270
- Issue date Oct 23, 2007
- Sony Corporation
- Yoshihiro Oshima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Optical reading document board and optical reader
- Publication number 20030142375
- Publication date Jul 31, 2003
- Yoshihiro Oshima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE