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Tatsurou HIRAKI

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Semiconductor optical element
    • Patent number 12,051,884
    • Issue date Jul 30, 2024
    • Nippon Telegraph and Telephone Corporation
    • Takuma Aihara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Optical modulator
    • Patent number 11,747,659
    • Issue date Sep 5, 2023
    • Nippon Telegraph and Telephone Corporation
    • Tatsurou Hiraki
    • G02 - OPTICS
  • Information Patent Grant

    Optical modulator
    • Patent number 10,775,650
    • Issue date Sep 15, 2020
    • Nippon Telegraph and Telephone Corporation
    • Tatsurou Hiraki
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    Semiconductor Optical Element
    • Publication number 20210175685
    • Publication date Jun 10, 2021
    • Nippon Telegraph and Telephone Corporation
    • Takuma AIHARA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Optical Modulator
    • Publication number 20200400977
    • Publication date Dec 24, 2020
    • Nippon Telegraph and Telephone Corporation
    • Tatsurou Hiraki
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL MODULATOR
    • Publication number 20190187494
    • Publication date Jun 20, 2019
    • Nippon Telegraph and Telephone Corporation
    • Tatsurou HIRAKI
    • G02 - OPTICS