Patents by Inventor Yusuke Saitho

Yusuke Saitho 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: 4406551
    Abstract: An electric numbering machine which continuously prints a number of large figures by use of a single figure wheel, is compact in size, and reduces the printing operation time. A case of the machine is provided therein with a shaft interposed between a pair of support plates rocked by operation of a solenoid, and rotated by a pulse motor; a figure wheel fitted to the shaft to rotate integrally with same; a ratchet intermittently rotated by operation of the solenoid via a feed mechanism; a brake pawl cooperating with the ratchet to restrict return rotation of the ratchet; a drum cooperating with the ratchet to rotate integrally therewith; and a tensile member having one end fixed to the drum and the other end fixed to a support of the figure wheel.
    Type: Grant
    Filed: September 21, 1981
    Date of Patent: September 27, 1983
    Assignee: Kabushiki Kaisha Gakushu Kenkyusha (Gakken Co., Ltd.)
    Inventors: Osamu Maezawa, Yusuke Saitho, Koichi Tominaga