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Tatsuro Hiraki

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Light-receiving device
    • Patent number 12,148,852
    • Issue date Nov 19, 2024
    • Nippon Telegraph and Telephone Corporation
    • Yoshiho Maeda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Optical module and method for manufacturing the same
    • Patent number 11,996,489
    • Issue date May 28, 2024
    • Nippon Telegraph and Telephone Corporation
    • Tai Tsuchizawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Optical modulator
    • Patent number 11,977,282
    • Issue date May 7, 2024
    • Nippon Telegraph and Telephone Corporation
    • Tatsuro Hiraki
    • G02 - OPTICS
  • Information Patent Grant

    Photodetector
    • Patent number 11,973,159
    • Issue date Apr 30, 2024
    • Nippon Telegraph and Telephone Corporation
    • Kotaro Takeda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor optical element
    • Patent number 11,705,693
    • Issue date Jul 18, 2023
    • Nippon Telegraph and Telephone Corporation
    • Takuma Aihara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor light receiver
    • Patent number 11,417,783
    • Issue date Aug 16, 2022
    • Nippon Telegraph and Telephone Corporation
    • Tatsuro Hiraki
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Semiconductor Laser
    • Publication number 20240396299
    • Publication date Nov 28, 2024
    • Nippon Telegraph and Telephone Corporation
    • Takuma Aihara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Optical Connection Structure
    • Publication number 20240361526
    • Publication date Oct 31, 2024
    • Nippon Telegraph and Telephone Corporation
    • Takuma Aihara
    • G02 - OPTICS
  • Information Patent Application

    Optical Semiconductor Device
    • Publication number 20240006848
    • Publication date Jan 4, 2024
    • Nippon Telegraph and Telephone Corporation
    • Takuma Aihara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor Optical Device
    • Publication number 20240006844
    • Publication date Jan 4, 2024
    • Nippon Telegraph and Telephone Corporation
    • Tatsuro Hiraki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    PHOTODETECTOR
    • Publication number 20230253516
    • Publication date Aug 10, 2023
    • Nippon Telegraph and Telephone Corporation
    • Tatsuro Hiraki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Light-Receiving Device
    • Publication number 20230011341
    • Publication date Jan 12, 2023
    • Nippon Telegraph and Telephone Corporation
    • Yoshiho Maeda
    • G02 - OPTICS
  • Information Patent Application

    Optical Phase Modulator
    • Publication number 20230010874
    • Publication date Jan 12, 2023
    • Nippon Telegraph and Telephone Corporation
    • Tatsuro Hiraki
    • G02 - OPTICS
  • Information Patent Application

    Optical Receiving Device and Manufacturing Method Therefor
    • Publication number 20220416108
    • Publication date Dec 29, 2022
    • Nippon Telegraph and Telephone Corporation
    • Yoshiho Maeda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor Optical Device
    • Publication number 20220393430
    • Publication date Dec 8, 2022
    • Nippon Telegraph and Telephone Corporation
    • Takuma Aihara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Optical Modulator
    • Publication number 20220357604
    • Publication date Nov 10, 2022
    • Nippon Telegraph and Telephone Corporation
    • Tatsuro Hiraki
    • G02 - OPTICS
  • Information Patent Application

    Optical Module and Method for Manufacturing the Same
    • Publication number 20220328704
    • Publication date Oct 13, 2022
    • Nippon Telegraph and Telephone Corporation
    • Tai Tsuchizawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Photodetector
    • Publication number 20220320361
    • Publication date Oct 6, 2022
    • Nippon Telegraph and Telephone Corporation
    • Kotaro Takeda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Tunable Laser
    • Publication number 20220085576
    • Publication date Mar 17, 2022
    • Nippon Telegraph and Telephone Corporation
    • Takuma Aihara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor Optical Element
    • Publication number 20220045481
    • Publication date Feb 10, 2022
    • Nippon Telegraph and Telephone Corporation
    • Takuma Aihara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor Light Receiver
    • Publication number 20210226073
    • Publication date Jul 22, 2021
    • Nippon Telegraph and Telephone Corporation
    • Tatsuro Hiraki
    • H01 - BASIC ELECTRIC ELEMENTS