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G02F2001/374
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Parent Industries
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PHYSICS
G02
Optics
G02F
DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT
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G02F2001/374
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Patents Grants
last 30 patents
Information
Patent Grant
Terahertz-wave generating element terahertz-wave detecting element...
Patent number
10,331,010
Issue date
Jun 25, 2019
Canon Kabushiki Kaisha
Toshihiko Ouchi
G02 - OPTICS
Information
Patent Grant
Terahertz wave generating element and terahertz wave detecting element
Patent number
10,180,619
Issue date
Jan 15, 2019
Canon Kabushiki Kaisha
Kousuke Kajiki
G02 - OPTICS
Information
Patent Grant
Electromagnetic wave generating device, electromagnetic wave detect...
Patent number
9,244,331
Issue date
Jan 26, 2016
Canon Kabushiki Kaisha
Ryota Sekiguchi
G01 - MEASURING TESTING
Information
Patent Grant
Terahertz wave generating device which outputs a terahertz frequenc...
Patent number
9,228,698
Issue date
Jan 5, 2016
Advantest Corporation
Kazunori Shiota
F21 - LIGHTING
Information
Patent Grant
Electromagnetic wave emission device
Patent number
8,642,984
Issue date
Feb 4, 2014
Advantest Corporation
Kazunori Shiota
F21 - LIGHTING
Information
Patent Grant
Electromagnetic wave emission device
Patent number
8,642,983
Issue date
Feb 4, 2014
Advantest Corporation
Kazunori Shiota
G02 - OPTICS
Information
Patent Grant
Optical frequency converter
Patent number
8,481,945
Issue date
Jul 9, 2013
Canon Kabushiki Kaisha
Yasushi Koyama
G02 - OPTICS
Information
Patent Grant
Light intensity attenuator and attenuating method
Patent number
6,134,372
Issue date
Oct 17, 2000
Sumitomo Osaka Cement Co., Ltd.
Junichiro Ichikawa
G02 - OPTICS
Information
Patent Grant
Wavelength converting optical device
Patent number
5,377,291
Issue date
Dec 27, 1994
Kabushiki Kaisha Toshiba
Genichi Hatakoshi
G02 - OPTICS
Information
Patent Grant
Wavelength converter
Patent number
5,293,444
Issue date
Mar 8, 1994
Sumitomo Electric Industries, Ltd.
Naota Uenishi
G02 - OPTICS
Information
Patent Grant
Light wavelength converter for a wavelength of laser beams into a s...
Patent number
5,224,195
Issue date
Jun 29, 1993
Sharp Kabushiki Kaisha
Toshihiko Yoshida
G02 - OPTICS
Information
Patent Grant
Wavelength converting device having a surrounding resin layer
Patent number
5,197,110
Issue date
Mar 23, 1993
Pioneer Electronic Corporation
Kiyofumi Chikuma
G02 - OPTICS
Information
Patent Grant
Method of controlling the domain of a nonlinear ferroelectric optic...
Patent number
5,193,023
Issue date
Mar 9, 1993
Sony Corporation
Masahiro Yamada
G02 - OPTICS
Information
Patent Grant
Optical waveguide device and optical second harmonic generator usin...
Patent number
5,168,388
Issue date
Dec 1, 1992
Sony Corporation
Hitoshi Tamada
G02 - OPTICS
Information
Patent Grant
Optical wavelength converter
Patent number
5,167,000
Issue date
Nov 24, 1992
Matsushita Electric Industrial Co. Ltd.
Hisashi Minemoto
G02 - OPTICS
Information
Patent Grant
Tapered light wave guide and wavelength converting element using th...
Patent number
5,142,596
Issue date
Aug 25, 1992
Matsushita Electric Industrial Co., Ltd.
Kiminori Mizuuchi
G02 - OPTICS
Information
Patent Grant
Laser device with monolithically integrated frequency changer
Patent number
5,128,948
Issue date
Jul 7, 1992
Thomson-CSF
Michel Papuchon
G02 - OPTICS
Information
Patent Grant
Optical wavelength converter and method of manufacturing the same
Patent number
5,119,384
Issue date
Jun 2, 1992
Pioneer Electronic Corporation
Kiyofumi Chikuma
G02 - OPTICS
Information
Patent Grant
Fibre-type wavelength converison device
Patent number
5,119,458
Issue date
Jun 2, 1992
Pioneer Electronic Corporation
Sota Okamoto
G02 - OPTICS
Information
Patent Grant
Second harmonic generator for obtaining an aberration free plane wa...
Patent number
5,117,433
Issue date
May 26, 1992
Hitachi, Ltd.
Kimio Tatsuno
G02 - OPTICS
Information
Patent Grant
Optical wavelength-converting device for guided-wave second-harmoni...
Patent number
5,113,469
Issue date
May 12, 1992
Kabushiki Kaisha Toshiba
Genichi Hatakoshi
G02 - OPTICS
Information
Patent Grant
Light wavelength converter
Patent number
5,109,462
Issue date
Apr 28, 1992
Sharp Kabushiki Kaisha
Masanori Watanabe
G02 - OPTICS
Information
Patent Grant
Wavelength converting device
Patent number
5,082,340
Issue date
Jan 21, 1992
Hamamatsu Photonics K.K.
Shinichiro Aoshima
G02 - OPTICS
Information
Patent Grant
Optical wavelength converting method
Patent number
5,080,507
Issue date
Jan 14, 1992
Fuji Photo Film Co., Ltd.
Akinori Harada
G02 - OPTICS
Information
Patent Grant
Light wavelength converter
Patent number
5,046,802
Issue date
Sep 10, 1991
Sharp Kabushiki Kaisha
Osamu Yamamoto
G02 - OPTICS
Information
Patent Grant
Optical waveguide and second harmonic generator
Patent number
5,022,729
Issue date
Jun 11, 1991
Sony Corporation
Hitoshi Tamada
G02 - OPTICS
Information
Patent Grant
Optical wavelength converter device and method of manufacturing same
Patent number
5,013,129
Issue date
May 7, 1991
Fuji Photo Film Co., Ltd.
Akinori Harada
G02 - OPTICS
Information
Patent Grant
Optical wavelength convertical apparatus
Patent number
5,005,938
Issue date
Apr 9, 1991
Matsushita Electric Industry Co., Ltd.
Tatsuo Itoh
G02 - OPTICS
Information
Patent Grant
Secondary harmonic generator having waveguides for a laser beam
Patent number
4,973,117
Issue date
Nov 27, 1990
Sony Corporation
Masahiro Yamada
G02 - OPTICS
Information
Patent Grant
Second harmonic generator and information processing system using t...
Patent number
4,972,422
Issue date
Nov 20, 1990
Hitachi, Ltd.
Kimio Tatsuno
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
TERAHERTZ-WAVE GENERATING ELEMENT TERAHERTZ-WAVE DETECTING ELEMENT...
Publication number
20170059963
Publication date
Mar 2, 2017
Canon Kabushiki Kaisha
Toshihiko Ouchi
G02 - OPTICS
Information
Patent Application
TERAHERTZ WAVE GENERATING APPARATUS AND INFORMATION OBTAINING APPAR...
Publication number
20160377958
Publication date
Dec 29, 2016
CANON KABUSSHIKI KAISHA
Toshihiko Ouchi
G02 - OPTICS
Information
Patent Application
ELECTROMAGNETIC WAVE EMISSION DEVICE
Publication number
20130284950
Publication date
Oct 31, 2013
Advantest Corporation
Kazunori SHIOTA
G02 - OPTICS
Information
Patent Application
ELECTROMAGNETIC WAVE EMISSION DEVICE
Publication number
20130181146
Publication date
Jul 18, 2013
Advantest Corporation
Kazunori Shiota
G02 - OPTICS
Information
Patent Application
ELECTROMAGNETIC WAVE GENERATING DEVICE, ELECTROMAGNETIC WAVE DETECT...
Publication number
20130146768
Publication date
Jun 13, 2013
Canon Kabushiki Kaisha
Ryota Sekiguchi
G02 - OPTICS
Information
Patent Application
ELECTROMAGNETIC WAVE EMISSION DEVICE
Publication number
20130068971
Publication date
Mar 21, 2013
Advantest Corporation
Kazunori SHIOTA
G02 - OPTICS
Information
Patent Application
OPTICAL FREQUENCY CONVERTER
Publication number
20120032080
Publication date
Feb 9, 2012
Canon Kabushiki Kaisha
Yasushi Koyama
G02 - OPTICS