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Ryo Nakao

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical device
    • Patent number 12,095,227
    • Issue date Sep 17, 2024
    • Nippon Telegraph and Telephone Corporation
    • Suguru Yamaoka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor optical module
    • Patent number 11,855,410
    • Issue date Dec 26, 2023
    • Nippon Telegraph and Telephone Corporation
    • Suguru Yamaoka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method for forming semiconductor layers
    • Patent number 11,735,418
    • Issue date Aug 22, 2023
    • Nippon Telegraph and Telephone Corporation
    • Ryo Nakao
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method for forming semiconductor layer
    • Patent number 11,721,548
    • Issue date Aug 8, 2023
    • Nippon Telegraph and Telephone Corporation
    • Ryo Nakao
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor optical device
    • Patent number 11,276,988
    • Issue date Mar 15, 2022
    • Nippon Telegraph and Telephone Corporation
    • Ryo Nakao
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Method for Forming Semiconductor Layers
    • Publication number 20230135654
    • Publication date May 4, 2023
    • Nippon Telegraph and Telephone Corporation
    • Ryo Nakao
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Crystal Growing Condition Analysis Method, Crystal Growing Conditio...
    • Publication number 20230130343
    • Publication date Apr 27, 2023
    • Nippon Telegraph and Telephone Corporation
    • Ryo Nakao
  • Information Patent Application

    Forming Method for Semiconductor Layer
    • Publication number 20230005745
    • Publication date Jan 5, 2023
    • Nippon Telegraph and Telephone Corporation
    • Ryo Nakao
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Directly Modulated Laser
    • Publication number 20220416505
    • Publication date Dec 29, 2022
    • Nippon Telegraph and Telephone Corporation
    • Suguru Yamaoka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Optical Device
    • Publication number 20220320813
    • Publication date Oct 6, 2022
    • Nippon Telegraph and Telephone Corporation
    • Suguru Yamaoka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor Layered Structure
    • Publication number 20220254633
    • Publication date Aug 11, 2022
    • Nippon Telegraph and Telephone Corporation
    • Ryo Nakao
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Optical Device
    • Publication number 20220231480
    • Publication date Jul 21, 2022
    • Nippon Telegraph and Telephone Corporation
    • Suguru Yamaoka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Method for Forming Semiconductor Layer
    • Publication number 20220028689
    • Publication date Jan 27, 2022
    • Nippon Telegraph and Telephone Corporation
    • Ryo Nakao
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor Optical Device
    • Publication number 20210336412
    • Publication date Oct 28, 2021
    • Nippon Telegraph and Telephone Corporation
    • Ryo NAKAO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor Optical Module
    • Publication number 20210203125
    • Publication date Jul 1, 2021
    • Nippon Telegraph and Telephone Corporation
    • Suguru Yamaoka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OPTICAL DEVICE STRUCTURE AND METHOD FOR MANUFACTURING SAME
    • Publication number 20210126165
    • Publication date Apr 29, 2021
    • Nippon Telegraph and Telephone Corporation
    • Ryo Nakao
    • H01 - BASIC ELECTRIC ELEMENTS