Patents by Inventor Yasuhiko Matsumura

Yasuhiko Matsumura 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).

  • Vehicle control system over a plurality of transmission lines
    Patent number: 5313104
    Abstract: A vehicle control system having plurality of control units, as well as sensors and actuators having a comparatively high degree of importance in terms of control by these control units, which are separately connected to first and second transmission lines. Sensors and actuators having a comparatively low degree of importance are assigned to the second transmission line. The outputs from the comparatively important sensors enter the respective control units directly via the first transmission line. A back-up program for backing up one control unit in case of failure is stored beforehand in another control unit. If the control unit fails, the other control unit performs back-up control to take over its tasks.
    Type: Grant
    Filed: February 5, 1993
    Date of Patent: May 17, 1994
    Assignee: Mazda Motor Corporation
    Inventors: Mineharu Shibata, Yasuhiko Matsumura, Nagahisa Fujita, Masao Hideshima