Patents by Inventor Keisuke Iwasaki

Keisuke Iwasaki 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).

  • Image processing device
    Patent number: 4878178
    Abstract: An image processing device includes a multipurpose memory which stores intensity information as well as label information and a look-up memory. The output from the multipurpose memory is connected to an address of the look-up table memory and is converted by the look-up table memory. The image processing device operates to select an area in an image without erasing the data of an image to be processed and to change the color at a very high speed.
    Type: Grant
    Filed: December 24, 1986
    Date of Patent: October 31, 1989
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Masaki Takakura, Hideto Hayasaki, Hideo Takemura, Masao Izumi, Keisuke Iwasaki, Yoji Noguchi, Yasukuni Yamane, Noritoshi Kako