Yasuhiko Awano

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Tsukuba-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Diffraction type light-condensing film and planar light source devi...
- Patent number 7,688,511
- Issue date Mar 30, 2010
- Hitachi Chemical Company, Ltd.
- Tokutaro Komatsu
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
SURFACE LIGHT SOURCE DEVICE AND PRISM SHEET
- Publication number 20100220498
- Publication date Sep 2, 2010
- Yasuhiko Awano
- G02 - OPTICS
Information Patent Application
DIFFRACTION TYPE LIGHT-CONDENSING FILM AND PLANAR LIGHT SOURCE DEVI...
- Publication number 20070211342
- Publication date Sep 13, 2007
- Tokutaro Komatsu
- G02 - OPTICS