TREA

Tai Tsuchizawa

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  • Tokyo, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    OPTICAL WAVEGUIDE
    • Publication number 20240230997
    • Publication date Jul 11, 2024
    • Nippon Telegraph and Telephone Corporation
    • Xuejun Xu
    • G02 - OPTICS
  • Information Patent Application

    OPTICAL WAVEGUIDE
    • Publication number 20240134119
    • Publication date Apr 25, 2024
    • Nippon Telegraph and Telephone Corporation
    • Xuejun Xu
    • G02 - OPTICS
  • Information Patent Application

    Measuring Method for Optical Nonlinearity of Two-Dimensional Material
    • Publication number 20240027870
    • Publication date Jan 25, 2024
    • Nippon Telegraph and Telephone Corporation
    • Yuya Yonezu
    • G01 - MEASURING TESTING
  • Information Patent Application

    Random Bit String Generator
    • Publication number 20230104706
    • Publication date Apr 6, 2023
    • Nippon Telegraph and Telephone Corporation
    • Motoki Asano
    • G06 - COMPUTING CALCULATING COUNTING
  • 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

    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

    Optical Integrated Device and Production Method Therefor
    • Publication number 20210181412
    • Publication date Jun 17, 2021
    • Nippon Telegraph and Telephone Corporation
    • Tai Tsuchizawa
    • G02 - OPTICS
  • 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

    WAVEGUIDE PATH COUPLING-TYPE PHOTODIODE
    • Publication number 20100119192
    • Publication date May 13, 2010
    • NEC Corporation
    • Junichi Fujikata
    • G02 - OPTICS
  • Information Patent Application

    Optical module and manufacturing method therefor
    • Publication number 20040057667
    • Publication date Mar 25, 2004
    • Koji Yamada
    • G02 - OPTICS