Patents by Inventor Hirohide Tachikawa

Hirohide Tachikawa 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).

  • Electronic device with a power saving function
    Patent number: 5781782
    Abstract: An electronic device with a power saving function, capable of reducing unnecessary consumption of power and unnecessary refreshing of a DRAM, selects an appropriate power saving function in accordance with the condition of the equipment, for example beginning with supplying power, suspending operation or resuming operation.
    Type: Grant
    Filed: July 16, 1997
    Date of Patent: July 14, 1998
    Assignee: Canon Kabushiki Kaisha
    Inventor: Hirohide Tachikawa