Takashi Go

Person

  • Musashino-shi, Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Optical waveguide

    • Patent number 12,306,438
    • Issue date May 20, 2025
    • Nippon Telegraph and Telephone Corporation
    • Takashi Go
    • G02 - OPTICS
  • Information Patent Grant

    Wavelength monitoring device and controlling method thereof

    • Patent number 12,107,626
    • Issue date Oct 1, 2024
    • Nippon Telegraph and Telephone Corporation
    • Osamu Moriwaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Optical waveguide

    • Patent number 12,092,870
    • Issue date Sep 17, 2024
    • Nippon Telegraph and Telephone Corporation
    • Takashi Go
    • G02 - OPTICS
  • Information Patent Grant

    Optical signal processing apparatus and manufacturing method thereof

    • Patent number 12,032,231
    • Issue date Jul 9, 2024
    • Nippon Telegraph and Telephone Corporation
    • Keita Yamaguchi
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Optical signal processing apparatus

    • Patent number 12,022,246
    • Issue date Jun 25, 2024
    • Nippon Telegraph and Telephone Corporation
    • Keita Yamaguchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Optical signal processing apparatus

    • Patent number 12,007,665
    • Issue date Jun 11, 2024
    • Nippon Telegraph and Telephone Corporation
    • Keita Yamaguchi
    • G02 - OPTICS
  • Information Patent Grant

    Optical module

    • Patent number 11,977,315
    • Issue date May 7, 2024
    • Nippon Telegraph and Telephone Corporation
    • Ai Yanagihara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Wavelength monitoring circuit

    • Patent number 11,973,535
    • Issue date Apr 30, 2024
    • Nippon Telegraph and Telephone Corporation
    • Osamu Moriwaki
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Planar optical waveguide circuit

    • Patent number 11,835,761
    • Issue date Dec 5, 2023
    • Nippon Telegraph and Telephone Corporation
    • Osamu Moriwaki
    • G02 - OPTICS
  • Information Patent Grant

    Optical signal processing device

    • Patent number 11,822,206
    • Issue date Nov 21, 2023
    • Nippon Telegraph and Telephone Corporation
    • Mitsumasa Nakajima
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Optical module and manufacturing method thereof

    • Patent number 11,740,491
    • Issue date Aug 29, 2023
    • Nippon Telegraph and Telephone Corporation
    • Ai Yanagihara
    • G02 - OPTICS
  • Information Patent Grant

    Optical signal processing device and method for controlling same

    • Patent number 11,405,702
    • Issue date Aug 2, 2022
    • Nippon Telegraph and Telephone Corporation
    • Keita Yamaguchi
    • G02 - OPTICS
  • Information Patent Grant

    Optical switch array and multicast switch

    • Patent number 11,194,093
    • Issue date Dec 7, 2021
    • Nippon Telegraph and Telephone Corporation
    • Kazunori Senoo
    • G02 - OPTICS
  • Information Patent Grant

    Variable wavelength filter

    • Patent number 11,112,561
    • Issue date Sep 7, 2021
    • Nippon Telegraph and Telephone Corporation
    • Kenya Suzuki
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    Waveguide-Type Optical Coupler

    • Publication number 20250020865
    • Publication date Jan 16, 2025
    • Nippon Telegraph and Telephone Corporation
    • Takashi Go
    • G02 - OPTICS
  • Information Patent Application

    Optical Phase Shifter, Optical Switch and 90 Degrees Optical Hybrid

    • Publication number 20240201521
    • Publication date Jun 20, 2024
    • Nippon Telegraph and Telephone Corporation
    • Takashi Go
    • G02 - OPTICS
  • Information Patent Application

    Photomask, Optical-Waveguide, Optical Circuit and Method of Manufac...

    • Publication number 20230259017
    • Publication date Aug 17, 2023
    • Nippon Telegraph and Telephone Corporation
    • Takashi Go
    • G02 - OPTICS
  • Information Patent Application

    Optical Waveguide

    • Publication number 20230032684
    • Publication date Feb 2, 2023
    • Nippon Telegraph and Telephone Corporation
    • Takashi Go
    • G02 - OPTICS
  • Information Patent Application

    Optical Waveguide

    • Publication number 20220413218
    • Publication date Dec 29, 2022
    • Nippon Telegraph and Telephone Corporation
    • Takashi Go
    • G02 - OPTICS
  • Information Patent Application

    Optical Module and Manufacturing Method Thereof

    • Publication number 20220357601
    • Publication date Nov 10, 2022
    • Nippon Telegraph and Telephone Corporation
    • Ai Yanagihara
    • G02 - OPTICS
  • Information Patent Application

    Optical Signal Processing Apparatus

    • Publication number 20220272427
    • Publication date Aug 25, 2022
    • Nippon Telegraph and Telephone Corporation
    • Keita Yamaguchi
    • G02 - OPTICS
  • Information Patent Application

    Planar Optical Waveguide Circuit

    • Publication number 20220091329
    • Publication date Mar 24, 2022
    • Nippon Telegraph and Telephone Corporation
    • Osamu Moriwaki
    • G02 - OPTICS
  • Information Patent Application

    Optical Signal Processing Apparatus

    • Publication number 20220091473
    • Publication date Mar 24, 2022
    • Nippon Telegraph and Telephone Corporation
    • Keita Yamaguchi
    • G02 - OPTICS
  • Information Patent Application

    Wavelength Monitoring Device and Controlling Method Thereof

    • Publication number 20220086538
    • Publication date Mar 17, 2022
    • Nippon Telegraph and Telephone Corporation
    • Osamu Moriwaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Optical Signal Processing Apparatus and Manufacturing Method Thereof

    • Publication number 20220066244
    • Publication date Mar 3, 2022
    • Nippon Telegraph and Telephone Corporation
    • Keita Yamaguchi
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Wavelength Monitoring Circuit

    • Publication number 20220011508
    • Publication date Jan 13, 2022
    • Nippon Telegraph and Telephone Corporation
    • Osamu Moriwaki
    • G02 - OPTICS
  • Information Patent Application

    Optical Module

    • Publication number 20210397065
    • Publication date Dec 23, 2021
    • Nippon Telegraph and Telephone Corporation
    • Ai Yanagihara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Optical Signal Processing Device and Method For Controlling Same

    • Publication number 20210258663
    • Publication date Aug 19, 2021
    • Nippon Telegraph and Telephone Corporation
    • Keita Yamaguchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Variable Wavelength Filter

    • Publication number 20210141153
    • Publication date May 13, 2021
    • Nippon Telegraph and Telephone Corporation
    • Kenya Suzuki
    • G02 - OPTICS
  • Information Patent Application

    Optical Signal Processing Device

    • Publication number 20210026220
    • Publication date Jan 28, 2021
    • Nippon Telegraph and Telephone Corporation
    • Mitsumasa Nakajima
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    OPTICAL SWITCH ARRAY AND MULTICAST SWITCH

    • Publication number 20200408990
    • Publication date Dec 31, 2020
    • Nippon Telegraph and Telephone Corporation
    • Kazunori Senoo
    • G02 - OPTICS