Patents by Inventor Toyojiro Masumoto

Toyojiro Masumoto 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).

  • Impact rice huller
    Patent number: 4800810
    Abstract: A vertical type impact rice huller which is free from the occurrence of collision of the grain is disclosed.
    Type: Grant
    Filed: July 15, 1987
    Date of Patent: January 31, 1989
    Assignee: Yamamoto & Co. Ltd.
    Inventor: Toyojiro Masumoto
  • Shaking table sorter operating by specific gravity
    Patent number: 4149967
    Abstract: A so-called stone picker is provided with an inclined perforated sorting plate upon which the separating operation of stones and the like from grain is effectively made under the reciprocative oscillation of the plate with wind blowing through parrallel slots and parallel to the direction of said oscillation. Unique constructions of slit openings made in the plate are also disclosed.
    Type: Grant
    Filed: October 19, 1976
    Date of Patent: April 17, 1979
    Assignee: Iony Kabushiki Kaisha
    Inventor: Toyojiro Masumoto