Junichi Fujikata

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical modulator and method for manufacturing the same
- Patent number 11,054,675
- Issue date Jul 6, 2021
- PHOTONICS ELECTRONICS TECHNOLOGY RESEARCH ASSOCIATION
- Junichi Fujikata
- G02 - OPTICS
Information Patent Grant
Electroab sorption optical modulator
- Patent number 11,009,726
- Issue date May 18, 2021
- NEC Corporation
- Junichi Fujikata
- G02 - OPTICS
Information Patent Grant
Electro-optic modulator
- Patent number 10,996,539
- Issue date May 4, 2021
- NEC Corporation
- Shigeki Takahashi
- G02 - OPTICS
Information Patent Grant
Optical device
- Patent number 10,340,399
- Issue date Jul 2, 2019
- PHOTONICS ELECTRONICS TECHNOLOGY RESEARCH ASSOCIATION
- Shigekazu Okumura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electro-optic device
- Patent number 10,274,757
- Issue date Apr 30, 2019
- NEC Corporation
- Junichi Fujikata
- G02 - OPTICS
Information Patent Grant
Optical modulator and method of manufacturing same
- Patent number 10,146,070
- Issue date Dec 4, 2018
- PHOTONICS ELECTRONICS TECHNOLOGY RESEARCH ASSOCIATION
- Junichi Fujikata
- G02 - OPTICS
Information Patent Grant
Output monitoring method for optical modulator and output monitorin...
- Patent number 10,025,159
- Issue date Jul 17, 2018
- NEC Corporation
- Junichi Fujikata
- G02 - OPTICS
Information Patent Grant
Optical end coupling type silicon optical integrated circuit
- Patent number 9,897,752
- Issue date Feb 20, 2018
- PHOTONICS ELECTRONICS TECHNOLOGY RESEARCH ASSOCIATION
- Shigeki Takahashi
- G02 - OPTICS
Information Patent Grant
Electro-optical modulator
- Patent number 9,829,726
- Issue date Nov 28, 2017
- National Institute of Advanced Industrial Science and Technology
- Toshihiro Kamei
- G02 - OPTICS
Information Patent Grant
Silicon-based electro-optic modulator
- Patent number 9,703,125
- Issue date Jul 11, 2017
- NEC Corporation
- Junichi Fujikata
- G02 - OPTICS
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
Optical modulator and operating point control method
- Patent number 9,548,818
- Issue date Jan 17, 2017
- NEC Corporation
- Junichi Fujikata
- G02 - OPTICS
Information Patent Grant
Waveguide-coupled MSM-type photodiode
- Patent number 9,406,832
- Issue date Aug 2, 2016
- NEC Corporation
- Junichi Fujikata
- G02 - OPTICS
Information Patent Grant
Silicon-based electro-optical device
- Patent number 9,341,868
- Issue date May 17, 2016
- NEC Corporation
- Junichi Fujikata
- G02 - OPTICS
Information Patent Grant
Optical modulator and optical modulation device with zigzag electro...
- Patent number 9,244,295
- Issue date Jan 26, 2016
- NEC Corporation
- Junichi Fujikata
- 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 modulator
- Patent number 8,873,895
- Issue date Oct 28, 2014
- NEC Corporation
- Junichi Fujikata
- 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
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 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
Semiconductor light-receiving element
- Patent number 8,330,242
- Issue date Dec 11, 2012
- NEC Corporation
- Kazuhiro Shiba
- G02 - OPTICS
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

Patents Applicationslast 30 patents

Information Patent Application
PHOTODETECTOR
- Publication number 20200313021
- Publication date Oct 1, 2020
- Photonics Electronics Technology Research Association
- Junichi Fujikata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL MODULATOR AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20200301177
- Publication date Sep 24, 2020
- Photonics Electronics Technology Research Association
- Junichi Fujikata
- G02 - OPTICS
Information Patent Application
ELECTRO-OPTIC MODULATOR
- Publication number 20190384135
- Publication date Dec 19, 2019
- NEC Corporation
- Shigeki TAKAHASHI
- G02 - OPTICS
Information Patent Application
ELECTROABSORPTION OPTICAL MODULATOR
- Publication number 20190285916
- Publication date Sep 19, 2019
- NEC Corporation
- Junichi FUJIKATA
- G02 - OPTICS
Information Patent Application
OPTICAL DEVICE
- Publication number 20190006532
- Publication date Jan 3, 2019
- Photonics Electronics Technology Research Association
- Shigekazu Okumura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTROABSORPTION OPTICAL MODULATOR
- Publication number 20180373067
- Publication date Dec 27, 2018
- NEC Corporation
- Junichi FUJIKATA
- G02 - OPTICS
Information Patent Application
ELECTRO-OPTIC MODULATOR
- Publication number 20180284559
- Publication date Oct 4, 2018
- NEC Corporation
- Junichi FUJIKATA
- G02 - OPTICS
Information Patent Application
ELECTRO-OPTIC DEVICE
- Publication number 20180074349
- Publication date Mar 15, 2018
- NEC Corporation
- Junichi FUJIKATA
- G02 - OPTICS
Information Patent Application
OPTICAL MODULATOR AND METHOD OF MANUFACTURING SAME
- Publication number 20180024410
- Publication date Jan 25, 2018
- Photonics Electronics Technology Reserach Association
- Junichi FUJIKATA
- G02 - OPTICS
Information Patent Application
ELECTRO-OPTICAL MODULATOR
- Publication number 20160349545
- Publication date Dec 1, 2016
- NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
- Toshihiro Kamei
- G02 - OPTICS
Information Patent Application
SILICON-BASED ELECTRO-OPTIC MODULATOR
- Publication number 20160291350
- Publication date Oct 6, 2016
- NEC Corporation
- Junichi Fujikata
- G02 - OPTICS
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
OPTICAL END COUPLING TYPE SILICON OPTICAL INTEGRATED CIRCUIT
- Publication number 20160041338
- Publication date Feb 11, 2016
- Photonics Electronics Technology Research Association
- Shigeki Takahashi
- G02 - OPTICS
Information Patent Application
OPTICAL MODULATOR AND OPTICAL MODULATION DEVICE
- Publication number 20150277159
- Publication date Oct 1, 2015
- NEC Corporation
- Junichi Fujikata
- G02 - OPTICS
Information Patent Application
OUTPUT MONITORING METHOD FOR OPTICAL MODULATOR AND OUTPUT MONITORIN...
- Publication number 20150277207
- Publication date Oct 1, 2015
- NEC Corporation
- Junichi FUJIKATA
- G02 - OPTICS
Information Patent Application
OPTICAL MODULATOR AND OPERATING POINT CONTROL METHOD
- Publication number 20150280832
- Publication date Oct 1, 2015
- NEC Corporation
- Junichi FUJIKATA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
WAVEGUIDE-COUPLED MSM-TYPE PHOTODIODE
- Publication number 20150084143
- Publication date Mar 26, 2015
- NEC Corporation
- Junichi Fujikata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SILICON-BASED ELECTRO-OPTICAL DEVICE
- Publication number 20150049978
- Publication date Feb 19, 2015
- NEC Corporation
- Junichi Fujikata
- G02 - OPTICS
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
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
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

Junichi Fujikata

Person

Patents Grantslast 30 patents

Optical modulator and method for manufacturing the same

Electroab sorption optical modulator

Electro-optic modulator

Optical device

Electro-optic device

Optical modulator and method of manufacturing same

Output monitoring method for optical modulator and output monitorin...

Optical end coupling type silicon optical integrated circuit

Electro-optical modulator

Silicon-based electro-optic modulator

Optical receiver circuit

Optical modulator and operating point control method

Waveguide-coupled MSM-type photodiode

Silicon-based electro-optical device

Optical modulator and optical modulation device with zigzag electro...

Connecting channel

Electro-optical modulator

Optical modulator and method for manufacturing same

Optical modulator

Photodetector, optical communication device equipped with the same,...

Semiconductor light receiving element and optical communication device

Silicon-based electro-optic device

Optical modulation structure and optical modulator

Waveguide path coupling-type photodiode

Semiconductor light-receiving element, optical communication device...

Semiconductor device

Semiconductor optical interconnection device and semiconductor opti...

Semiconductor light-receiving element

SiGe photodiode

Photodiode

Patents Applicationslast 30 patents

PHOTODETECTOR

OPTICAL MODULATOR AND METHOD FOR MANUFACTURING THE SAME

ELECTRO-OPTIC MODULATOR

ELECTROABSORPTION OPTICAL MODULATOR

OPTICAL DEVICE

ELECTROABSORPTION OPTICAL MODULATOR

ELECTRO-OPTIC MODULATOR

ELECTRO-OPTIC DEVICE

OPTICAL MODULATOR AND METHOD OF MANUFACTURING SAME

ELECTRO-OPTICAL MODULATOR

SILICON-BASED ELECTRO-OPTIC MODULATOR

OPTICAL RECEIVER CIRCUIT

OPTICAL END COUPLING TYPE SILICON OPTICAL INTEGRATED CIRCUIT

OPTICAL MODULATOR AND OPTICAL MODULATION DEVICE

OUTPUT MONITORING METHOD FOR OPTICAL MODULATOR AND OUTPUT MONITORIN...

OPTICAL MODULATOR AND OPERATING POINT CONTROL METHOD

OPTICAL SENDING CIRCUIT AND OPTICAL SENDING METHOD

WAVEGUIDE-COUPLED MSM-TYPE PHOTODIODE

SILICON-BASED ELECTRO-OPTICAL DEVICE

PHOTODETECTOR, OPTICAL COMMUNICATION DEVICE EQUIPPED WITH THE SAME,...

OPTICAL MODULATOR

ELECTRO-OPTICAL MODULATOR

CONNECTING CHANNEL

OPTICAL MODULATOR AND METHOD FOR MANUFACTURING SAME

OPTICAL MODULATION STRUCTURE AND OPTICAL MODULATOR

SILICON-BASED ELECTRO-OPTIC DEVICE

OPTICAL MODULATOR AND OPTICAL MODULATOR FABRICATION METHOD

SEMICONDUCTOR LIGHT-RECEIVING ELEMENT, OPTICAL COMMUNICATION DEVICE...

SiGe PHOTODIODE

SEMICONDUCTOR OPTICAL INTERCONNECTION DEVICE AND SEMICONDUCTOR OPTI...