Akiko Tomita

Follow

Person

Mihara-Shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical sheet, surface light source device and transmission type di...
- Patent number 9,671,528
- Issue date Jun 6, 2017
- Dai Nippon Printing Co., Ltd.
- Takayuki Shimada
- G02 - OPTICS
Information Patent Grant
Optical sheet, surface light source device and transmission-type di...
- Patent number 9,417,363
- Issue date Aug 16, 2016
- Dai Nippon Printing Co., Ltd.
- Mitsuru Inoue
- G02 - OPTICS
Information Patent Grant
Optical module and display device
- Patent number 9,188,721
- Issue date Nov 17, 2015
- Dai Nippon Printing Co., Ltd.
- Eiji Asano
- G02 - OPTICS
Information Patent Grant
Optical sheet, surface light source device and transmission-type di...
- Patent number 8,794,799
- Issue date Aug 5, 2014
- Dai Nippon Printing Co., Ltd.
- Akinobu Ushiyama
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL SHEET, SURFACE LIGHT SOURCE DEVICE AND TRANSMISSION TYPE DI...
- Publication number 20150085470
- Publication date Mar 26, 2015
- DAI NIPPON PRINTING CO LTD
- Takayuki SHIMADA
- G02 - OPTICS
Information Patent Application
OPTICAL MODULE AND DISPLAY DEVICE
- Publication number 20130039031
- Publication date Feb 14, 2013
- DAI NIPPON PRINTING CO., LTD.
- Eiji Asano
- G02 - OPTICS
Information Patent Application
OPTICAL SHEET, SURFACE LIGHT SOURCE DEVICE AND TRANSMISSION-TYPE DI...
- Publication number 20120224380
- Publication date Sep 6, 2012
- Dai Nippon Printing Co., Ltd.
- Akinobu Ushiyama
- G02 - OPTICS
Information Patent Application
OPTICAL SHEET, SURFACE LIGHT SOURCE DEVICE AND TRANSMISSION TYPE DI...
- Publication number 20110280004
- Publication date Nov 17, 2011
- Dai Nippon Printing Co., Ltd.
- Takayuki Shimada
- G02 - OPTICS
Information Patent Application
OPTICAL SHEET, SURFACE LIGHT SOURCE DEVICE AND TRANSMISSION-TYPE DI...
- Publication number 20100315803
- Publication date Dec 16, 2010
- DAI NIPPON PRINTING CO., LTD.
- Mitsuru Inoue
- G02 - OPTICS