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Okamoto DAISUKE
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Authentication system and imaging apparatus
Patent number
12,147,515
Issue date
Nov 19, 2024
NEC Corporation
Masahiro Oomine
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Optical receiving circuit and method for manufacturing the same
Patent number
10,048,124
Issue date
Aug 14, 2018
PHOTONICS ELECTRONICS TECHNOLOGY RESEARCH ASSOCIATION
Yasuyuki Suzuki
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Optical receiver circuit
Patent number
9,621,279
Issue date
Apr 11, 2017
NEC Corporation
Daisuke Okamoto
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Opto-electric integrated circuit and optical interposer
Patent number
9,500,823
Issue date
Nov 22, 2016
NEC Corporation
Daisuke Okamoto
G02 - OPTICS
Information
Patent Grant
Photodetector, optical communication device equipped with the same,...
Patent number
8,853,812
Issue date
Oct 7, 2014
NEC Corporation
Daisuke Okamoto
G02 - OPTICS
Information
Patent Grant
Semiconductor light receiving element and optical communication device
Patent number
8,637,951
Issue date
Jan 28, 2014
NEC Corporation
Daisuke Okamoto
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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 light-receiving element, optical communication device...
Patent number
8,466,528
Issue date
Jun 18, 2013
NEC Corporation
Daisuke Okamoto
H01 - BASIC ELECTRIC ELEMENTS
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
Photodiode
Patent number
8,183,656
Issue date
May 22, 2012
NEC Corporation
Daisuke Okamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical phase modulation element and optical modulator using the same
Patent number
8,116,600
Issue date
Feb 14, 2012
NEC Corporation
Daisuke Okamoto
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Printer with belt tensioning unit
Patent number
7,922,408
Issue date
Apr 12, 2011
Kabushiki Kaisha Sato
Okamoto Daisuke
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
WORK VEHICLE
Publication number
20240101199
Publication date
Mar 28, 2024
Komatsu Ltd.
Souichirou MURAKAMI
B60 - VEHICLES IN GENERAL
Information
Patent Application
AUTHENTICATION SYSTEM AND IMAGING APPARATUS
Publication number
20240045936
Publication date
Feb 8, 2024
NEC Corporation
Masahiro Oomine
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
OPTICAL RECEIVING CIRCUIT AND METHOD FOR MANUFACTURING THE SAME
Publication number
20160245691
Publication date
Aug 25, 2016
Photonics Electronics Technology Research Association
Yasuyuki Suzuki
G01 - MEASURING TESTING
Information
Patent Application
OPTICAL RECEIVER CIRCUIT
Publication number
20160056900
Publication date
Feb 25, 2016
NEC Corporation
Daisuke OKAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTO-ELECTRIC INTEGRATED CIRCUIT AND OPTICAL INTERPOSER
Publication number
20150277069
Publication date
Oct 1, 2015
NEC Corporation
Daisuke OKAMOTO
G02 - OPTICS
Information
Patent Application
OPTICAL INTEGRATED CIRCUIT, AND INSPECTION METHOD OF OPTICAL DEVICE...
Publication number
20150247779
Publication date
Sep 3, 2015
NEC Corporation
Daisuke Okamoto
G01 - MEASURING TESTING
Information
Patent Application
OPTICAL SENDING CIRCUIT AND OPTICAL SENDING METHOD
Publication number
20150244466
Publication date
Aug 27, 2015
NEC Corporation
Daisuke Okamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PHOTODETECTOR, OPTICAL COMMUNICATION DEVICE EQUIPPED WITH THE SAME,...
Publication number
20130113064
Publication date
May 9, 2013
NEC Corporation
Daisuke Okamoto
G02 - OPTICS
Information
Patent Application
SEMICONDUCTOR LIGHT-RECEIVING ELEMENT, OPTICAL COMMUNICATION DEVICE...
Publication number
20110110628
Publication date
May 12, 2011
Daisuke Okamoto
H01 - BASIC ELECTRIC ELEMENTS
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
OPTICAL PHASE MODULATION ELEMENT AND OPTICAL MODULATOR USING THE SAME
Publication number
20100316325
Publication date
Dec 16, 2010
Daisuke Okamoto
G02 - OPTICS
Information
Patent Application
SEMICONDUCTOR LIGHT RECEIVING ELEMENT AND OPTICAL COMMUNICATION DEVICE
Publication number
20100308428
Publication date
Dec 9, 2010
Daisuke Okamoto
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
PHOTODIODE, OPTICAL COMMUNICATION DEVICE, AND OPTICAL INTERCONNECTI...
Publication number
20100200941
Publication date
Aug 12, 2010
Junichi Fujikata
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
PHOTODIODE
Publication number
20100013040
Publication date
Jan 21, 2010
NEC Corporation
Daisuke Okamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Fly-Eye Lens, Optical Unit and Display Apparatus
Publication number
20090002639
Publication date
Jan 1, 2009
Roger Corn
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PRINTER
Publication number
20080193184
Publication date
Aug 14, 2008
Okamoto DAISUKE
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Projection Type Display Unit
Publication number
20070263179
Publication date
Nov 15, 2007
SONY CORPORATION
Hideki Katsuragawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY