Patents by Inventor Yasusuke Sakurai

Yasusuke Sakurai 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).

  • Programmable controller
    Patent number: 5195024
    Abstract: Disclosed herein is a programmable controller comprising a central processing unit (CPU) and a delay element. The CPU operates on simulated input information in accordance with a sequence program. The result of the operation by the CPU is sent to the delay element. The delay element in turn supplies the operational result with a delay time setting and feeds the result back to the CPU as simulated input information. The delay element is also capable of setting any delay time for simulation as desired.
    Type: Grant
    Filed: May 31, 1990
    Date of Patent: March 16, 1993
    Assignees: Hitachi, Ltd., Hitachi Techno Engineering Co., Ltd.
    Inventors: Naohiro Kurokawa, Yasusuke Sakurai