Patents by Inventor Iwazo Sobajima

Iwazo Sobajima 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).

  • Apparatus for automatic arrangement of Mah-Jongg tiles
    Patent number: 4264074
    Abstract: An apparatus for automatically arranging the Mah-Jongg tiles on a Mah-Jongg board in parallel with the four edges thereof. Two horizontal rows of Mah-Jonng tiles are automatically formed at the starting point of a Mah-Jongg tile conveyor system incorporated in the apparatus. These two horizontal rows of Mah-Jongg tiles are rearranged in two vertical tiers in the course of being thrusted forward in the Mah-Jongg tile conveyor system.
    Type: Grant
    Filed: August 6, 1979
    Date of Patent: April 28, 1981
    Inventor: Iwazo Sobajima