Patents by Inventor Jouji MATSUSHITA

Jouji MATSUSHITA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Control device
    Patent number: 11545978
    Abstract: Main wiring including a plurality of differential transmission lines for transmitting differential signals is formed on a motherboard. Termination resistors, provided at both ends of each of the plurality of differential transmission lines, connect the plurality of differential transmission lines to each other. A plurality of daughter boards are connected in parallel to each other via the main wiring. A line characteristic impedance of each differential transmission line is higher than a termination resistance value, which is a resistance value of the termination resistor.
    Type: Grant
    Filed: October 26, 2021
    Date of Patent: January 3, 2023
    Assignee: HITACHI, LTD.
    Inventors: Goro Hamamoto, Tatsuyuki Ootani, Yutaka Uematsu, Jouji Matsushita
  • CONTROL DEVICE
    Publication number: 20220182057
    Abstract: Main wiring including a plurality of differential transmission lines for transmitting differential signals is formed on a motherboard. Termination resistors, provided at both ends of each of the plurality of differential transmission lines, connect the plurality of differential transmission lines to each other. A plurality of daughter boards are connected in parallel to each other via the main wiring. A line characteristic impedance of each differential transmission line is higher than a termination resistance value, which is a resistance value of the termination resistor.
    Type: Application
    Filed: October 26, 2021
    Publication date: June 9, 2022
    Inventors: Goro HAMAMOTO, Tatsuyuki OOTANI, Yutaka UEMATSU, Jouji MATSUSHITA