TREA

Yoshikazu Urabe

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Amplifier
    • Patent number 10,804,857
    • Issue date Oct 13, 2020
    • Nippon Telegraph and Telephone Corporation
    • Masafumi Nogawa
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Optical signal cutoff detection circuit and optical receiver
    • Patent number 9,025,970
    • Issue date May 5, 2015
    • Nippon Telegraph and Telephone Corporation
    • Hiroshi Koizumi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Bit-rate discrimination method and its apparatus
    • Patent number 8,369,713
    • Issue date Feb 5, 2013
    • Nippon Telegraph and Telephone Corporation
    • Kazutaka Hara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Receiving method and receiving circuit
    • Patent number 8,144,813
    • Issue date Mar 27, 2012
    • Nippon Telegraph and Telephone Corporation
    • Makoto Nakamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Transimpedance amplifier
    • Patent number 7,868,701
    • Issue date Jan 11, 2011
    • Nippon Telephone and Telegraph Corporation
    • Makoto Nakamura
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

  • Information Patent Application

    DML DRIVER
    • Publication number 20240372320
    • Publication date Nov 7, 2024
    • Nippon Telegraph and Telephone Corporation
    • Toshiki Kishi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    CONNECTING CIRCUIT AND COMMUNICATION INTERFACE
    • Publication number 20240179035
    • Publication date May 30, 2024
    • Nippon Telegraph and Telephone Corporation
    • Tadashi Minotani
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    TRANSMISSION INTERFACE AND TRANSMITTER
    • Publication number 20240160236
    • Publication date May 16, 2024
    • Nippon Telegraph and Telephone Corporation
    • Tadashi Minotani
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    AMPLIFIER CIRCUIT
    • Publication number 20240154634
    • Publication date May 9, 2024
    • Nippon Telegraph and Corporation
    • Tadashi Minotani
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    CONNECTING CIRCUIT AND COMMUNICATION INTERFACE
    • Publication number 20240097948
    • Publication date Mar 21, 2024
    • Nippon Telegraph and Telephone Corporation
    • Tadashi Minotani
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    AMPLIFIER
    • Publication number 20190393841
    • Publication date Dec 26, 2019
    • Nippon Telegraph and Telephone Corporation
    • Masafumi Nogawa
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    OPTICAL SIGNAL CUTOFF DETECTION CIRCUIT AND OPTICAL RECEIVER
    • Publication number 20130039649
    • Publication date Feb 14, 2013
    • Hiroshi Koizumi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Bit-Rate Discrimination Method and Its Apparatus
    • Publication number 20110229152
    • Publication date Sep 22, 2011
    • Nippon Telegraph and Telephone Corporation
    • Kazutaka Hara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Transimpedance Amplifier
    • Publication number 20080309407
    • Publication date Dec 18, 2008
    • Nippon Telegraph and Telephone Corporation
    • Makoto Nakamura
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Receiving Method and Receiving Circuit
    • Publication number 20070292139
    • Publication date Dec 20, 2007
    • Makoto Nakamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE