Patents by Inventor Tsutomu Kigoshi

Tsutomu Kigoshi 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).

  • Patent number: 5768604
    Abstract: A computer system, which shifts a mode to a power saving mode when there is no user input at a keyboard for a predetermined time period, employs a circuit for detecting writing to a video memory, and a power management program for managing power in corporation with the circuit. When the writing to a video memory is performed, a shift to the power saving mode is inhibited, even though there is no input at the keyboard during the predetermined time period.
    Type: Grant
    Filed: October 3, 1996
    Date of Patent: June 16, 1998
    Assignee: International Business Machines Corp.
    Inventors: Satoshi Yamazaki, Takeshi Ishimoto, Tsutomu Kigoshi