TREA

Toru Segawa

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  • Kanagawa-ken, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Optical Device
    • Publication number 20250125588
    • Publication date Apr 17, 2025
    • Nippon Telegraph and Telephone Corporation
    • Yoshiho Maeda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Light-Emitting Device
    • Publication number 20250087969
    • Publication date Mar 13, 2025
    • Nippon Telegraph and Telephone Corporation
    • Yoshiho Maeda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Semiconductor Laser
    • Publication number 20250055254
    • Publication date Feb 13, 2025
    • Nippon Telegraph and Telephone Corporation
    • Koji Takeda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Optical Device
    • Publication number 20250044663
    • Publication date Feb 6, 2025
    • Nippon Telegraph and Telephone Corporation
    • Hidetaka Nishi
    • G02 - OPTICS
  • Information Patent Application

    Semiconductor Laser
    • Publication number 20250047069
    • Publication date Feb 6, 2025
    • Nippon Telegraph and Telephone Corporation
    • Takuro Fujii
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Light Receiving Element and Manufacturing Method Therefor
    • Publication number 20240154047
    • Publication date May 9, 2024
    • Nippon Telegraph and Telephone Corporation
    • Yoshiho Maeda
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Wavelength Tunable Laser
    • Publication number 20240039242
    • Publication date Feb 1, 2024
    • Nippon Telegraph and Telephone Corporation
    • Takuma Tsurugaya
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Photoelectric Converter
    • Publication number 20240027681
    • Publication date Jan 25, 2024
    • Nippon Telegraph and Telephone Corporation
    • Koji Takeda
    • G02 - OPTICS
  • Information Patent Application

    Optical Modulation Signal Generating Device and Optical Modulation...
    • Publication number 20100202776
    • Publication date Aug 12, 2010
    • Nippon Telegraph and Telephone Corporation
    • Takaaki Kakitsuka
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE