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Jun Ushida
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical element
Patent number
11,137,546
Issue date
Oct 5, 2021
NEC Corporation
Masatoshi Tokushima
G02 - OPTICS
Information
Patent Grant
Photodetector having one-dimensional grating structure
Patent number
10,535,786
Issue date
Jan 14, 2020
PHOTONICS ELECTRONICS TECHNOLOGY RESEARCH ASSOCIATION
Kenichiro Yashiki
G02 - OPTICS
Information
Patent Grant
Grating structure, and manufacturing method of grating coupler prov...
Patent number
10,025,031
Issue date
Jul 17, 2018
PHOTONICS ELECTRONICS TECHNOLOGY RESEARCH ASSOCIATION
Masatoshi Tokushima
G02 - OPTICS
Information
Patent Grant
Grating coupler with high optical coupling efficiency for SMF
Patent number
9,971,099
Issue date
May 15, 2018
NEC Corporation
Masatoshi Tokushima
G02 - OPTICS
Information
Patent Grant
Optical waveguide type optical terminator
Patent number
9,274,280
Issue date
Mar 1, 2016
NEC Corporation
Jun Ushida
G02 - OPTICS
Information
Patent Grant
Connecting channel
Patent number
9,020,312
Issue date
Apr 28, 2015
NEC Corporation
Jun Ushida
G02 - OPTICS
Information
Patent Grant
Electro-optical modulator
Patent number
9,002,144
Issue date
Apr 7, 2015
NEC Corporation
Junichi Fujikata
G02 - OPTICS
Information
Patent Grant
Optical modulator and method for manufacturing same
Patent number
8,936,962
Issue date
Jan 20, 2015
NEC Corporation
Junichi Fujikata
G02 - OPTICS
Information
Patent Grant
Optical waveguide structure and optical waveguide device
Patent number
8,913,860
Issue date
Dec 16, 2014
NEC Corporation
Jun Ushida
G02 - OPTICS
Information
Patent Grant
Optical modulator
Patent number
8,873,895
Issue date
Oct 28, 2014
NEC Corporation
Junichi Fujikata
G02 - OPTICS
Information
Patent Grant
Silicon-based electro-optic device
Patent number
8,532,440
Issue date
Sep 10, 2013
NEC Corporation
Jun Ushida
G02 - OPTICS
Information
Patent Grant
Optical modulation structure and optical modulator
Patent number
8,483,520
Issue date
Jul 9, 2013
NEC Corporation
Junichi Fujikata
G02 - OPTICS
Information
Patent Grant
Waveguide path coupling-type photodiode
Patent number
8,467,637
Issue date
Jun 18, 2013
NEC Corporation
Junichi Fujikata
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Semiconductor device
Patent number
8,422,837
Issue date
Apr 16, 2013
NEC Corporation
Kenichi Nishi
G02 - OPTICS
Information
Patent Grant
Semiconductor optical interconnection device and semiconductor opti...
Patent number
8,363,989
Issue date
Jan 29, 2013
NEC Corporation
Daisuke Okamoto
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
SiGe photodiode
Patent number
8,269,303
Issue date
Sep 18, 2012
NEC Corporation
Junichi Fujikata
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Waveguide connecting structure
Patent number
8,078,021
Issue date
Dec 13, 2011
NEC Corporation
Jun Ushida
G02 - OPTICS
Information
Patent Grant
Method for incidence of light into a photonic crystal optical waveg...
Patent number
7,778,509
Issue date
Aug 17, 2010
NEC Corporation
Akiko Gomyo
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Photonic crystal optical circuit and method for controlling the same
Patent number
7,715,665
Issue date
May 11, 2010
NEC Corporation
Jun Ushida
G02 - OPTICS
Information
Patent Grant
Photonic crystal optical circuit and method for controlling the same
Patent number
7,359,606
Issue date
Apr 15, 2008
NEC Corporation
Jun Ushida
G02 - OPTICS
Information
Patent Grant
Antireflective coating structure for photonic crystal and method fo...
Patent number
7,020,373
Issue date
Mar 28, 2006
NEC Corporation
Masayuki Shirane
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL ELEMENT
Publication number
20200264375
Publication date
Aug 20, 2020
NEC Corporation
Masatoshi TOKUSHIMA
G02 - OPTICS
Information
Patent Application
GRATING STRUCTURE, AND MANUFACTURING METHOD OF GRATING COUPLER PROV...
Publication number
20180128975
Publication date
May 10, 2018
Photonics Electronics Technology Research Association
Masatoshi Tokushima
G02 - OPTICS
Information
Patent Application
GRATING COUPLER WITH HIGH OPTICAL COUPLING EFFICIENCY FOR SMF
Publication number
20180074264
Publication date
Mar 15, 2018
NEC Corporation
Masatoshi TOKUSHIMA
G02 - OPTICS
Information
Patent Application
LIGHT RECEIVING ELEMENT
Publication number
20170345952
Publication date
Nov 30, 2017
Photonics Electronics Technology Research Association
Kenichiro Yashiki
G02 - OPTICS
Information
Patent Application
OPTICAL WAVEGUIDE TYPE OPTICAL TERMINATOR
Publication number
20140105544
Publication date
Apr 17, 2014
NEC Corporation
Jun Ushida
G02 - OPTICS
Information
Patent Application
OPTICAL WAVEGUIDE STRUCTURE AND OPTICAL WAVEGUIDE DEVICE
Publication number
20130170793
Publication date
Jul 4, 2013
NEC Corporation
Jun Ushida
G02 - OPTICS
Information
Patent Application
OPTICAL MODULATOR
Publication number
20130064491
Publication date
Mar 14, 2013
NEC Corporation
Junichi Fujikata
G02 - OPTICS
Information
Patent Application
ELECTRO-OPTICAL MODULATOR
Publication number
20120257850
Publication date
Oct 11, 2012
NEC Corporation
Junichi Fujikata
G02 - OPTICS
Information
Patent Application
CONNECTING CHANNEL
Publication number
20120134633
Publication date
May 31, 2012
Jun Ushida
G02 - OPTICS
Information
Patent Application
OPTICAL MODULATOR AND METHOD FOR MANUFACTURING SAME
Publication number
20120003767
Publication date
Jan 5, 2012
NEC Corporation
Junichi Fujikata
G02 - OPTICS
Information
Patent Application
OPTICAL MODULATION STRUCTURE AND OPTICAL MODULATOR
Publication number
20110311178
Publication date
Dec 22, 2011
NEC Corporation
Junichi Fujikata
G02 - OPTICS
Information
Patent Application
SILICON-BASED ELECTRO-OPTIC DEVICE
Publication number
20110211786
Publication date
Sep 1, 2011
NEC Corporation
Jun USHIDA
G02 - OPTICS
Information
Patent Application
OPTICAL MODULATOR AND OPTICAL MODULATOR FABRICATION METHOD
Publication number
20110176762
Publication date
Jul 21, 2011
Junichi Fujikata
G02 - OPTICS
Information
Patent Application
SiGe PHOTODIODE
Publication number
20110012221
Publication date
Jan 20, 2011
Junichi Fujikata
G02 - OPTICS
Information
Patent Application
SEMICONDUCTOR OPTICAL INTERCONNECTION DEVICE AND SEMICONDUCTOR OPTI...
Publication number
20110002582
Publication date
Jan 6, 2011
Daisuke Okamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE
Publication number
20100320496
Publication date
Dec 23, 2010
Kenichi Nishi
G02 - OPTICS
Information
Patent Application
WAVEGUIDE PATH COUPLING-TYPE PHOTODIODE
Publication number
20100119192
Publication date
May 13, 2010
NEC Corporation
Junichi Fujikata
G02 - OPTICS
Information
Patent Application
WAVEGUIDE CONNECTING STRUCTURE
Publication number
20100092132
Publication date
Apr 15, 2010
Jun Ushida
G02 - OPTICS
Information
Patent Application
OPTICAL WAVEGUIDE, OPTICAL DEVICE, AND OPTICAL COMMUNICATION DEVICE
Publication number
20090285522
Publication date
Nov 19, 2009
NEC Corporation
Akiko Gomiyou
G02 - OPTICS
Information
Patent Application
Method for incidence of light into a photonic crystal optical wave...
Publication number
20090142018
Publication date
Jun 4, 2009
NEC Corporation
Akiko Gomyo
G02 - OPTICS
Information
Patent Application
PHOTONIC CRYSTAL OPTICAL CIRCUIT AND METHOD FOR CONTROLLING THE SAME
Publication number
20080316749
Publication date
Dec 25, 2008
NEC Corporation
Jun USHIDA
G02 - OPTICS
Information
Patent Application
Photonic crystal optical circuit and method for controlling the same
Publication number
20060261324
Publication date
Nov 23, 2006
Jun Ushida
G02 - OPTICS
Information
Patent Application
Method for incidence of light into a photonic crystal optical waveg...
Publication number
20060039649
Publication date
Feb 23, 2006
NEC Corporation
Akiko Gomyo
G02 - OPTICS
Information
Patent Application
Antireflective coating structure for photonic crystal and method fo...
Publication number
20030231397
Publication date
Dec 18, 2003
NEC Corporation
Masayuki Shirane
G02 - OPTICS