Patents by Inventor Yugi Hirabayashi

Yugi Hirabayashi 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).

  • Communication control unit providing isolation of failure condition of electronic control unit
    Patent number: 4835671
    Abstract: A communication control unit for controlling communication between an electronic control unit and other equipment or other electronic control units, the communication control unit functioning to judge whether or not the operation of the electronic control unit is normal and, if it is judged that the electronic control unit is operating abnormally, the communication control unit acts to reset the electronic control unit to an initial operating status in order to attempt recovery from the abnormal condition, while halting transmission by the electronic control unit until it is judged that the electronic control unit has commenced to operate normally.
    Type: Grant
    Filed: September 17, 1987
    Date of Patent: May 30, 1989
    Assignees: Nippondenso Co., Ltd., Toyota Jidosha Kabushiki Kaisha
    Inventors: Yoshihisa Sato, Yugi Hirabayashi, Katsuhiro Ina, Katsunori Ito, Susumu Akiyama, Takao Saito, Tetsuo Tanigawa