Taku Kumasaka

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Tsuru, JP

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Patents Grantslast 30 patents

Information Patent Grant
Planar light-emitting device and liquid crystal display apparatus u...
- Patent number 8,390,760
- Issue date Mar 5, 2013
- Citizen Electronics Co., Ltd.
- Takeshi Ogihara
- G02 - OPTICS
Information Patent Grant
Planar light-emitting device and liquid crystal display apparatus
- Patent number 8,368,838
- Issue date Feb 5, 2013
- Citizen Electronics Co., Ltd.
- Taku Kumasaka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Planar light-emitting device and liquid crystal display apparatus
- Patent number 8,279,372
- Issue date Oct 2, 2012
- Citizen Electronics Co., Ltd.
- Takashi Shimura
- G02 - OPTICS
Information Patent Grant
Planar light-emitting device and liquid crystal display apparatus
- Patent number 8,194,206
- Issue date Jun 5, 2012
- Citizen Electronics Co., Ltd.
- Takashi Shimura
- G02 - OPTICS
Information Patent Grant
Planar light-emitting device and liquid crystal display apparatus
- Patent number 8,154,688
- Issue date Apr 10, 2012
- Citizen Electronics Co., Ltd.
- Takashi Shimura
- G02 - OPTICS
Information Patent Grant
Planar light-emitting device and liquid crystal display apparatus
- Patent number 8,077,272
- Issue date Dec 13, 2011
- Citizen Electronics Co., Ltd.
- Takashi Shimura
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
PLANAR LIGHT-EMITTING DEVICE AND LIQUID CRYSTAL DISPLAY APPARATUS U...
- Publication number 20100141867
- Publication date Jun 10, 2010
- Takeshi OGIHARA
- G02 - OPTICS
Information Patent Application
PLANAR LIGHT-EMITTING DEVICE AND LIQUID CRYSTAL DISPLAY APPARATUS
- Publication number 20100007819
- Publication date Jan 14, 2010
- Taku KUMASAKA
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
PLANAR LIGHT-EMITTING DEVICE AND LIQUID CRYSTAL DISPLAY APPARATUS
- Publication number 20090290094
- Publication date Nov 26, 2009
- Takashi SHIMURA
- G02 - OPTICS
Information Patent Application
PLANAR LIGHT-EMITTING DEVICE AND LIQUID CRYSTAL DISPLAY APPARATUS
- Publication number 20090290093
- Publication date Nov 26, 2009
- Takashi SHIMURA
- G02 - OPTICS
Information Patent Application
PLANAR LIGHT-EMITTING DEVICE AND LIQUID CRYSTAL DISPLAY APPARATUS
- Publication number 20090273732
- Publication date Nov 5, 2009
- Takashi SHIMURA
- G02 - OPTICS
Information Patent Application
PLANAR LIGHT-EMITTING DEVICE AND LIQUID CRYSTAL DISPLAY APPARATUS
- Publication number 20090273733
- Publication date Nov 5, 2009
- Takashi SHIMURA
- G02 - OPTICS