Patents by Inventor Hideo Yumoto

Hideo Yumoto 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).

  • PC switching device selectively switching between an input device and a plurality of computers having different electric power control mechanisms
    Patent number: 7003612
    Abstract: This invention is to provide a PC switching device which can be applied to various kinds of PC's, some of which have an electric power control method different from the others. When a plurality of PC's 621–624, the power of which are controlled by power control keys installed on keyboards are operated by single KB 63 without a power control key, power control switches PC-PSW 1–4 installed on the PC switching device 61 can control the power of the corresponding PC. When switches PC-PSW 1–4 are pressed again, main CPU 610 outputs a key-code to PC's 621–624 through sub-PC's 611–614, and can control the power of PC's.
    Type: Grant
    Filed: August 4, 2000
    Date of Patent: February 21, 2006
    Assignee: Fujitsu Takamisawa Component Limited
    Inventors: Kiyomitsu Takizawa, Fujio Seki, Hideo Yumoto