Patents by Inventor Yoitiro Hoshi

Yoitiro Hoshi 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).

  • Memory write-in control system for color graphic display
    Patent number: 4016544
    Abstract: A memory write-in control system provides for each dot a plurality of color designating bits representing color information for the dot as well as a set of mask command bits corresponding to the respective color designating bits. The memory content is changed in accordance with the color designating bits only when the mask command bits are at one logic level. The memory bit content is unchanged when the mask command bits are at the other logic level irrespective of the color designating bits.
    Type: Grant
    Filed: June 17, 1975
    Date of Patent: April 5, 1977
    Assignees: Tokyo Broadcasting System Inc., Nippon Electric Company, Ltd.
    Inventors: Takaya Morita, Masao Inaba, Yoitiro Hoshi