Takako Ishikawa

Person

Kusatsu-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Surface light source device and its light guide plate
- Patent number 9,261,637
- Issue date Feb 16, 2016
- Omron Corporation
- Masayuki Shinohara
- G02 - OPTICS
Information Patent Grant
Light guide plate and surface light source device
- Patent number 9,194,992
- Issue date Nov 24, 2015
- Omron Corporation
- Masayuki Shinohara
- G02 - OPTICS
Information Patent Grant
Light guide plate and surface light source device
- Patent number 9,164,215
- Issue date Oct 20, 2015
- Omron Corporation
- Masayuki Shinohara
- G02 - OPTICS
Information Patent Grant
Light guide plate and surface light source device
- Patent number 9,128,221
- Issue date Sep 8, 2015
- Omron Corporation
- Masayuki Shinohara
- G02 - OPTICS
Information Patent Grant
Surface light source apparatus
- Patent number 8,625,050
- Issue date Jan 7, 2014
- Omron Corporation
- Masayuki Shinohara
- G02 - OPTICS
Information Patent Grant
Area light source device and liquid crystal display device
- Patent number 8,427,603
- Issue date Apr 23, 2013
- Omron Corporation
- Takako Ishikawa
- G02 - OPTICS
Information Patent Grant
Surface light source device and liquid crystal display device
- Patent number 8,400,585
- Issue date Mar 19, 2013
- Omron Corporation
- Masayuki Shinohara
- G02 - OPTICS
Information Patent Grant
Area light source device and liquid crystal display device
- Patent number 8,368,844
- Issue date Feb 5, 2013
- Omron Corporation
- Takako Ishikawa
- G02 - OPTICS
Information Patent Grant
Surface light source apparatus
- Patent number 8,345,184
- Issue date Jan 1, 2013
- Omron Corporation
- Masayuki Shinohara
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPERATION KEY AND SWITCHING UNIT
- Publication number 20140332358
- Publication date Nov 13, 2014
- OMRON CORPORATION
- Masayuki Shinohara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT GUIDE PLATE AND SURFACE LIGHT SOURCE DEVICE
- Publication number 20140176874
- Publication date Jun 26, 2014
- Omron Corporation
- Masayuki Shinohara
- G02 - OPTICS
Information Patent Application
LIGHT GUIDE PLATE AND SURFACE LIGHT SOURCE DEVICE
- Publication number 20140176875
- Publication date Jun 26, 2014
- Omron Corporation
- Masayuki Shinohara
- G02 - OPTICS
Information Patent Application
SURFACE LIGHT SOURCE DEVICE AND ITS LIGHT GUIDE PLATE
- Publication number 20140176876
- Publication date Jun 26, 2014
- Omron Corporation
- Masayuki Shinohara
- G02 - OPTICS
Information Patent Application
LIGHT GUIDE PLATE AND SURFACE LIGHT SOURCE DEVICE
- Publication number 20140176873
- Publication date Jun 26, 2014
- Omron Corporation
- Masayuki Shinohara
- G02 - OPTICS
Information Patent Application
SURFACE LIGHT SOURCE APPARATUS
- Publication number 20130141669
- Publication date Jun 6, 2013
- Omron Corporation
- Masayuki Shinohara
- G02 - OPTICS
Information Patent Application
SURFACE LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE
- Publication number 20110187967
- Publication date Aug 4, 2011
- Omron Corporation
- Masayuki Shinohara
- G02 - OPTICS
Information Patent Application
AREA LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE
- Publication number 20110176089
- Publication date Jul 21, 2011
- Omron Corporation
- Takako Ishikawa
- G02 - OPTICS
Information Patent Application
AREA LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE
- Publication number 20110170036
- Publication date Jul 14, 2011
- Omron Corporation
- Takako Ishikawa
- G02 - OPTICS
Information Patent Application
SURFACE LIGHT SOURCE APPARATUS
- Publication number 20100195019
- Publication date Aug 5, 2010
- Omron Corporation
- Masayuki Shinohara
- G02 - OPTICS

Takako Ishikawa

Person

Patents Grantslast 30 patents

Surface light source device and its light guide plate

Light guide plate and surface light source device

Light guide plate and surface light source device

Light guide plate and surface light source device

Surface light source apparatus

Area light source device and liquid crystal display device

Surface light source device and liquid crystal display device

Area light source device and liquid crystal display device

Surface light source apparatus

Patents Applicationslast 30 patents

OPERATION KEY AND SWITCHING UNIT

LIGHT GUIDE PLATE AND SURFACE LIGHT SOURCE DEVICE

LIGHT GUIDE PLATE AND SURFACE LIGHT SOURCE DEVICE

SURFACE LIGHT SOURCE DEVICE AND ITS LIGHT GUIDE PLATE

LIGHT GUIDE PLATE AND SURFACE LIGHT SOURCE DEVICE

SURFACE LIGHT SOURCE APPARATUS

SURFACE LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE

AREA LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE

AREA LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE

SURFACE LIGHT SOURCE APPARATUS