Hiroaki Katsurai

Person

  • Tokyo, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Optical power supply system, power receiving side optical communica...

    • Patent number 12,294,415
    • Issue date May 6, 2025
    • Nippon Telegraph and Telephone Corporation
    • Kenta Ito
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Transimpedance amplifier

    • Patent number 12,160,211
    • Issue date Dec 3, 2024
    • Nippon Telegraph and Telephone Corporation
    • Hiroaki Katsurai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Transimpedance amplifier

    • Patent number 12,155,358
    • Issue date Nov 26, 2024
    • Nippon Telegraph and Telephone Corporation
    • Hiroaki Katsurai
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Track-and-hold circuit

    • Patent number 11,056,209
    • Issue date Jul 6, 2021
    • Nippon Telegraph and Telephone Corporation
    • Hiroaki Katsurai
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Amplifier

    • Patent number 10,892,716
    • Issue date Jan 12, 2021
    • Nippon Telegraph and Telephone Corporation
    • Shinsuke Nakano
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Directly modulated laser drive circuit

    • Patent number 10,637,207
    • Issue date Apr 28, 2020
    • Nippon Telegraph and Telephone Corporation
    • Toshiki Kishi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Optical modulator driver circuit and optical transmitter

    • Patent number 10,243,664
    • Issue date Mar 26, 2019
    • Nippon Telegraph and Telephone Corporation
    • Munehiko Nagatani
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Inductor

    • Patent number 9,082,543
    • Issue date Jul 14, 2015
    • Nippon Telegraph and Telephone Corporation
    • Yusuke Ohtomo
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Signal multiplexing device

    • Patent number 9,083,476
    • Issue date Jul 14, 2015
    • Nippon Telegraph and Telephone Corporation
    • Hiroaki Katsurai
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents