Patents by Inventor Hideyuki Takamuku

Hideyuki Takamuku 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 display device displaying a composite character and graphic color image
    Patent number: 4924299
    Abstract: An image display apparatus wherein an existence of a plurality of color factors which constitute pixels of a character image (1) and a graphic image (2) which have corresponding pixels is expressed by a logical value rotation, the logical values of the color factors of the character image (1) and the graphic image (2) for the corresponding pixels are operated logically, and a composite image (3) consisting of the character image and the graphic image is displayed, comprises a logical operation circuit wherein when at least one color factor of the character image (1) exists for pixels, not all the color factors of the graphic image (2) for the pixels are displayed. By using this apparatus, the character image is easily distinguished from the background image.
    Type: Grant
    Filed: July 13, 1988
    Date of Patent: May 8, 1990
    Assignee: Fanuc Ltd.
    Inventors: Yutaka Mizuno, Hideyuki Takamuku