Patents by Inventor Kanetoshi Saito

Kanetoshi Saito 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).

  • Information processing apparatus and its display controller
    Patent number: 6819334
    Abstract: An information processing apparatus has a processing unit, a memory unit for storing display data processed by the processing unit, a display image rotation engine which is coupled with a buffer memory to sequentially transfer display data to the buffer memory and which responds to a command of predetermined timing for display data update to store the display data stored in the memory unit in read sequence different from write sequence, a display controller for delivering the display data, stored in the buffer memory, in the memory unit by means of the rotation engine to a display device, and a bus for mutually coupling the processing unit, the memory unit, the display controller and the rotation engine.
    Type: Grant
    Filed: March 3, 2000
    Date of Patent: November 16, 2004
    Assignee: Hitachi, Ltd.
    Inventors: Toru Owada, Isao Takita, Yasushi Nagai, Kanetoshi Saito, Takuichiro Nakazawa