Hideki Azuma

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light guide having reflective protruding portion, and lighting devi...
- Patent number 7,942,561
- Issue date May 17, 2011
- Nippon Sheet Glass Compny, Limited
- Takeshi Ishimaru
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Light Guide, Lighting Device and Image Reading Device
- Publication number 20090003016
- Publication date Jan 1, 2009
- Nippon Sheet Glass Company, Limited
- Takeshi Ishimaru
- H04 - ELECTRIC COMMUNICATION TECHNIQUE