Sachiko Kawada

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Display apparatus with particular light control and light reflecting
- Patent number 7,944,524
- Issue date May 17, 2011
- Citizen Holdings Co., Ltd.
- Takashi Akiyama
- G02 - OPTICS
Information Patent Grant
Display device having ultraviolet ray transmitting small holes incl...
- Patent number 7,859,615
- Issue date Dec 28, 2010
- Citizen Holdings Co., Ltd.
- Koichi Hoshino
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device
- Patent number 7,733,440
- Issue date Jun 8, 2010
- Citizen Holdings Co., Ltd.
- Takashi Akiyama
- G02 - OPTICS
Information Patent Grant
Electrode structure of liquid crystal device having two output term...
- Patent number 6,100,957
- Issue date Aug 8, 2000
- Citizen Watch Co., Ltd.
- Sachiko Kawada
- G02 - OPTICS
Information Patent Grant
Liquid crystal device with plural ferroelectric or antiferroelectri...
- Patent number 5,764,328
- Issue date Jun 9, 1998
- Citizen Watch Co., Ltd.
- Sachiko Kawada
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
DISPLAY APPARATUS
- Publication number 20090135334
- Publication date May 28, 2009
- Takashi Akiyama
- G02 - OPTICS
Information Patent Application
Liquid crystal display device
- Publication number 20080007674
- Publication date Jan 10, 2008
- Takashi Akiyama
- G02 - OPTICS
Information Patent Application
Display device and method of manufacturing display device
- Publication number 20070216830
- Publication date Sep 20, 2007
- Citizen Watch Co., Ltd.
- Koichi Hoshino
- G02 - OPTICS
Information Patent Application
Liquid crystal display apparatus and method for driving liquid crys...
- Publication number 20070040783
- Publication date Feb 22, 2007
- CITIZEN WATCH CO., LTD.
- Sachiko Kawada
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS