Patents by Inventor Katsuhisa Oohashi

Katsuhisa Oohashi 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).

  • Controller driver and display apparatus using the same
    Patent number: 8159440
    Abstract: A controller/driver is composed of a work memory, a graphic engine, a display memory, and a driver circuit. The graphic engine converts externally received image data into first bitmap data, and stores the first bitmap data in the work memory. The display memory receives and stores second bitmap data developed from the first bitmap data stored in the work memory. The driver circuit drives a display panel in response to the second bitmap data received from the display memory.
    Type: Grant
    Filed: June 28, 2004
    Date of Patent: April 17, 2012
    Assignees: Advanced Micro Devices, Inc., Renesas Electronics Corporation
    Inventors: Hirobumi Furihata, Katsuhisa Oohashi, Junyou Shioda, Yoshiyuki Teshirogi, Takashi Nose, Mika Tuomi
  • Controller driver and display apparatus using the same
    Publication number: 20060244707
    Abstract: A controller/driver is composed of a work memory, a graphic engine, a display memory, and a driver circuit. The graphic engine converts externally received image data into first bitmap data, and stores the first bitmap data in the work memory. The display memory receives and stores second bitmap data developed from the first bitmap data stored in the work memory. The driver circuit drives a display panel in response to the second bitmap data received from the display memory.
    Type: Application
    Filed: June 28, 2004
    Publication date: November 2, 2006
    Inventors: Hirobumi Furihata, Katsuhisa Oohashi, Junyou Shioda, Yoshiyuki Teshirogi, Takashi Nose, Mika Tuomi