Hirofumi Tsuiki

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Miyagi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Diffusion sheet and method of manufacturing the same, backlight, an...
- Patent number 8,692,962
- Issue date Apr 8, 2014
- Sony Corporation
- Akihiro Shibata
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL DEVICE AND ILLUMINATING DEVICE
- Publication number 20130033873
- Publication date Feb 7, 2013
- SONY CORPORATION
- Masaki Suzuki
- G02 - OPTICS
Information Patent Application
DIFFUSION SHEET AND METHOD OF MANUFACTURING THE SAME, BACKLIGHT, AN...
- Publication number 20100309411
- Publication date Dec 9, 2010
- SONY CORPORATION
- Akihiro Shibata
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL