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Ken Tsuzuki

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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical circuit with common ground configuration for resistors and...
    • Patent number 12,099,266
    • Issue date Sep 24, 2024
    • Nippon Telegraph and Telephone Corporation
    • Kiyofumi Kikuchi
    • G02 - OPTICS
  • Information Patent Grant

    Optical module
    • Patent number 12,078,851
    • Issue date Sep 3, 2024
    • Nippon Telegraph and Telephone Corporation
    • Shunichi Soma
    • G02 - OPTICS
  • Information Patent Grant

    Optical modulator
    • Patent number 11,841,598
    • Issue date Dec 12, 2023
    • Nippon Telegraph and Telephone Corporation
    • Masayuki Takahashi
    • G02 - OPTICS
  • Information Patent Grant

    Optical module
    • Patent number 11,561,350
    • Issue date Jan 24, 2023
    • Nippon Telegraph and Telephone Corporation
    • Kiyofumi Kikuchi
    • G02 - OPTICS
  • Information Patent Grant

    Optical transmitter
    • Patent number 11,340,478
    • Issue date May 24, 2022
    • Nippon Telegraph and Telephone Corporation
    • Toshihiro Ito
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Optical modulator
    • Patent number 11,275,261
    • Issue date Mar 15, 2022
    • Nippon Telegraph and Telephone Corporation
    • Masayuki Takahashi
    • G02 - OPTICS
  • Information Patent Grant

    Optical modulator
    • Patent number 10,890,787
    • Issue date Jan 12, 2021
    • Nippon Telegraph and Telephone Corporation
    • Yuriko Kawamura
    • G02 - OPTICS
  • Information Patent Grant

    Optical modulator having interconnecting ground electrodes for copl...
    • Patent number 10,852,618
    • Issue date Dec 1, 2020
    • Nippon Telegraph and Telephone Corporation
    • Ken Tsuzuki
    • G02 - OPTICS
  • Information Patent Grant

    Photodetector
    • Patent number 10,720,543
    • Issue date Jul 21, 2020
    • Nippon Telegraph and Telephone Corporation
    • Hiroshi Fukuda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Optical module
    • Patent number 10,649,147
    • Issue date May 12, 2020
    • NTT Electronics Corporation
    • Tomohiro Nakanishi
    • G02 - OPTICS
  • Information Patent Grant

    Optical receiver
    • Patent number 10,601,522
    • Issue date Mar 24, 2020
    • Nippon Telegraph and Telephone Corporation
    • Toshihiro Itoh
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Optical modulator
    • Patent number 10,317,709
    • Issue date Jun 11, 2019
    • Nippon Telegraph and Telephone Corporation
    • Ken Tsuzuki
    • G02 - OPTICS
  • Information Patent Grant

    Coherent optical mixer circuit
    • Patent number 10,295,744
    • Issue date May 21, 2019
    • Nippon Telegraph and Telephone Corporation
    • Shin Kamei
    • G02 - OPTICS
  • Information Patent Grant

    Optical module
    • Patent number 10,277,271
    • Issue date Apr 30, 2019
    • Nippon Telegraph and Telephone Corporation
    • Kiyofumi Kikuchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Polarization multiplexing optical transmission circuit and polariza...
    • Patent number 10,193,653
    • Issue date Jan 29, 2019
    • Nippon Telegraph and Telephone Corporation
    • Shin Kamei
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Solder joint structure of flexible printed circuit board
    • Patent number 10,165,690
    • Issue date Dec 25, 2018
    • Nippon Telegraph and Telephone Corporation
    • Mitsuo Usui
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Optical modulator
    • Patent number 10,146,099
    • Issue date Dec 4, 2018
    • Nippon Telegraph and Telephone Corporation
    • Ken Tsuzuki
    • G02 - OPTICS
  • Information Patent Grant

    Lens optical component with lens housing supported by lens holder
    • Patent number 9,297,977
    • Issue date Mar 29, 2016
    • Nippon Telegraph and Telephone Corporation
    • Ken Tsuzuki
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Optical module
    • Patent number 9,297,961
    • Issue date Mar 29, 2016
    • Nippon Telegraph and Telephone Corporation
    • Kota Shikama
    • G02 - OPTICS
  • Information Patent Grant

    Optical component
    • Patent number 9,036,958
    • Issue date May 19, 2015
    • Nippon Telegraph and Telephone Corporation
    • Motohaya Ishii
    • G02 - OPTICS
  • Information Patent Grant

    Advanced-format optical modulator with low power consumption and lo...
    • Patent number 8,965,146
    • Issue date Feb 24, 2015
    • Nippon Telegraph and Telephone Corporation
    • Takashi Goh
    • G02 - OPTICS
  • Information Patent Grant

    Optical frequency shifter and optical modulator using the same
    • Patent number 8,948,546
    • Issue date Feb 3, 2015
    • Nippon Telegraph and Telephone Corporation
    • Takashi Saida
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Optical component
    • Patent number 8,721,191
    • Issue date May 13, 2014
    • Nippon Telegraph and Telephone Corporation
    • Motohaya Ishii
    • G02 - OPTICS
  • Information Patent Grant

    Semiconductor optical modulator and optical modulating apparatus
    • Patent number 8,401,344
    • Issue date Mar 19, 2013
    • NTT Electronics Corporation
    • Tadao Ishibashi
    • G02 - OPTICS
  • Information Patent Grant

    Semiconductor optical modulator
    • Patent number 8,031,984
    • Issue date Oct 4, 2011
    • NTT Electronics Corporation
    • Tadao Ishibashi
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Semiconductor optoelectronic waveguide
    • Patent number 7,787,736
    • Issue date Aug 31, 2010
    • NTT Electronics Corporation
    • Tadao Ishibashi
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Semiconductor optical modulator
    • Patent number 7,711,214
    • Issue date May 4, 2010
    • Nippon Telegraph and Telephone Corporation
    • Ken Tsuzuki
    • G02 - OPTICS
  • Information Patent Grant

    Semiconductor optoelectronic waveguide
    • Patent number 7,599,595
    • Issue date Oct 6, 2009
    • NTT Electronics Corporation
    • Tadao Ishibashi
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Semiconductor optical modulator
    • Patent number 7,355,778
    • Issue date Apr 8, 2008
    • Nippon Telegraph and Telephone Corporation
    • Ken Tsuzuki
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Semiconductor optical device and the fabrication method
    • Patent number 7,060,518
    • Issue date Jun 13, 2006
    • Nippon Telegraph and Telephone Corporation
    • Susumu Kondo
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    OPTO-Electronic Integrated Module
    • Publication number 20230244045
    • Publication date Aug 3, 2023
    • Nippon Telegraph and Telephone Corporation
    • Yuriko Kawamura
    • G02 - OPTICS
  • Information Patent Application

    Optical Communication Element
    • Publication number 20230156932
    • Publication date May 18, 2023
    • Nippon Telegraph and Telephone Corporation
    • Ken Tsuzuki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Optical Circuit
    • Publication number 20220365377
    • Publication date Nov 17, 2022
    • Nippon Telegraph and Telephone Corporation
    • Kiyofumi Kikuchi
    • G02 - OPTICS
  • Information Patent Application

    Optical Module
    • Publication number 20220214508
    • Publication date Jul 7, 2022
    • Nippon Telegraph and Telephone Corporation
    • Shunichi Soma
    • G02 - OPTICS
  • Information Patent Application

    Optical Modulator
    • Publication number 20220137478
    • Publication date May 5, 2022
    • Nippon Telegraph and Telephone Corporation
    • Masayuki Takahashi
    • G02 - OPTICS
  • Information Patent Application

    Optical Transmitter
    • Publication number 20220011606
    • Publication date Jan 13, 2022
    • Nippon Telegraph and Telephone Corporation
    • Toshihiro Ito
    • G02 - OPTICS
  • Information Patent Application

    Optical Module
    • Publication number 20210364711
    • Publication date Nov 25, 2021
    • Nippon Telegraph and Telephone Corporation
    • Kiyofumi Kikuchi
    • G02 - OPTICS
  • Information Patent Application

    Optical Modulator
    • Publication number 20210018770
    • Publication date Jan 21, 2021
    • Nippon Telegraph and Telephone Corporation
    • Masayuki Takahashi
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL MODULATOR
    • Publication number 20200292908
    • Publication date Sep 17, 2020
    • NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    • Ken Tsuzuki
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL MODULE
    • Publication number 20190353844
    • Publication date Nov 21, 2019
    • NTT ELECTRONICS CORPORATION
    • Tomohiro Nakanishi
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL RECEIVER
    • Publication number 20190181961
    • Publication date Jun 13, 2019
    • Nippon Telegraph and Telephone Corporation
    • Toshihiro Itoh
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    OPTICAL MODULATOR
    • Publication number 20190025615
    • Publication date Jan 24, 2019
    • Nippon Telegraph and Telephone Corporation
    • Yuriko Kawamura
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL MODULATOR
    • Publication number 20180239176
    • Publication date Aug 23, 2018
    • Nippon Telegraph and Telephone Corporation
    • Ken Tsuzuki
    • G02 - OPTICS
  • Information Patent Application

    PHOTODETECTOR
    • Publication number 20180233618
    • Publication date Aug 16, 2018
    • Nippon Telegraph and Telephone Corporation
    • Hiroshi Fukuda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SOLDER JOINT STRUCTURE OF FLEXIBLE PRINTED CIRCUIT BOARD
    • Publication number 20180199445
    • Publication date Jul 12, 2018
    • Nippon Telegraph and Telephone Corporation
    • Mitsuo Usui
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    OPTICAL MODULE
    • Publication number 20180198483
    • Publication date Jul 12, 2018
    • Nippon Telegraph and Telephone Corporation
    • Kiyofumi Kikuchi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    COHERENT OPTICAL MIXER CIRCUIT
    • Publication number 20180143376
    • Publication date May 24, 2018
    • Nippon Telegraph and Telephone Corporation
    • Shin Kamei
    • G02 - OPTICS
  • Information Patent Application

    Polarization Multiplexing Optical Transmission Circuit and Polariza...
    • Publication number 20180139007
    • Publication date May 17, 2018
    • Nippon Telegraph and Telephone Corporation
    • Shin Kamei
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    OPTICAL MODULATOR
    • Publication number 20170336696
    • Publication date Nov 23, 2017
    • Nippon Telegraph and Telephone Corporation
    • Ken Tsuzuki
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL MODULE
    • Publication number 20150331194
    • Publication date Nov 19, 2015
    • Nippon Telegraph and Telephone Corporation
    • Kota Shikama
    • G02 - OPTICS
  • Information Patent Application

    LENS HOLDER, LENS OPTICAL ASSEMBLY COMPONENT, AND PACKAGE WHEREIN L...
    • Publication number 20150177474
    • Publication date Jun 25, 2015
    • Nippon Telegraph and Telephone Corporation
    • Ken Tsuzuki
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL FREQUENCY SHIFTER AND OPTICAL MODULATOR USING THE SAME
    • Publication number 20130315524
    • Publication date Nov 28, 2013
    • Nippon Telegraph and Telephone Corporation
    • Takashi Saida
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL COMPONENT
    • Publication number 20130136393
    • Publication date May 30, 2013
    • NTT ELECTRONICS CORPORATION
    • Motohaya Ishii
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL COMPONENT
    • Publication number 20130011095
    • Publication date Jan 10, 2013
    • NTT ELECTRONICS CORPORATION
    • Motohaya Ishii
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL MODULATOR
    • Publication number 20120106888
    • Publication date May 3, 2012
    • Nippon Telegraph and Telephone Corporation
    • Takashi Goh
    • G02 - OPTICS
  • Information Patent Application

    Optical Semiconductor Module and Method for Assembling the Same
    • Publication number 20110304897
    • Publication date Dec 15, 2011
    • NTT ELECTRONICS CORPORATION
    • Kazuo Kasaya
    • G02 - OPTICS
  • Information Patent Application

    SEMICONDUCTOR OPTICAL MODULATOR AND OPTICAL MODULATING APPARATUS
    • Publication number 20100296769
    • Publication date Nov 25, 2010
    • Tadao Ishibashi
    • G02 - OPTICS
  • Information Patent Application

    SEMICONDUCTOR OPTICAL MODULATOR
    • Publication number 20100296766
    • Publication date Nov 25, 2010
    • NTT ELECTRONICS CORPORATION
    • Tadao Ishibashi
    • G02 - OPTICS
  • Information Patent Application

    SEMICONDUCTOR OPTICAL MODULATOR
    • Publication number 20090034904
    • Publication date Feb 5, 2009
    • Nippon Telegraph and Telephone Corporation
    • Ken Tsuzuki
    • G02 - OPTICS
  • Information Patent Application

    Semiconductor optoelectronic waveguide
    • Publication number 20080304786
    • Publication date Dec 11, 2008
    • NTT ELECTRONICS CORPORATION
    • Tadao Ishibashi
    • G02 - OPTICS