Patents by Inventor Ryuji UNO

Ryuji UNO 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).

  • Patent number: 12600146
    Abstract: A control device includes: a print data acquisition unit configured to acquire print data, which is formed of a plurality of lines and indicates a coloration state of each pixel included in the plurality of lines; a head drive unit configured to supply, to a thermal head formed of a plurality of heating elements each corresponding to the pixel, an electric current for heating the thermal head for each pixel; a motor drive unit configured to supply, to a motor configured to move heat-sensitive paper relative to the thermal head, a drive current for step driving the motor for each line; a speed control unit configured to control, based on the number of colored pixels of a determination subject line among yet-to-be-printed lines of the print data, a relative moving speed of the heat-sensitive paper moved by the motor; and a preheating control unit configured to cause the head drive unit to output, when the determination subject line is a specific line being a line in which the number of colored pixels of the det
    Type: Grant
    Filed: March 8, 2024
    Date of Patent: April 14, 2026
    Assignee: Seiko Instruments Inc.
    Inventors: Yoshio Kitamura, Daisuke Yoshida, Ryuji Uno, Koichi Hatakeyama, Hiroaki Kondo, Ryota Naka, Takahiro Hisada
  • Publication number: 20240308240
    Abstract: A control device includes: a print data acquisition unit configured to acquire print data, which is formed of a plurality of lines and indicates a coloration state of each pixel included in the plurality of lines; a head drive unit configured to supply, to a thermal head formed of a plurality of heating elements each corresponding to the pixel, an electric current for heating the thermal head for each pixel; a motor drive unit configured to supply, to a motor configured to move heat-sensitive paper relative to the thermal head, a drive current for step driving the motor for each line; a speed control unit configured to control, based on the number of colored pixels of a determination subject line among yet-to-be-printed lines of the print data, a relative moving speed of the heat-sensitive paper moved by the motor; and a preheating control unit configured to cause the head drive unit to output, when the determination subject line is a specific line being a line in which the number of colored pixels of the det
    Type: Application
    Filed: March 8, 2024
    Publication date: September 19, 2024
    Inventors: Yoshio KITAMURA, Daisuke YOSIDA, Ryuji UNO, Koichi HATAKEYAMA, Hiroaki KONDO, Ryota NAKA, Takahiro HISADA