Patents by Inventor Shoii Yamamoto

Shoii Yamamoto 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).

  • Vacuum generating device
    Patent number: 4549854
    Abstract: A vacuum generating and control device for use to grasp and move articles having an ejector pump utilizing compressed air from a compressor source. The device includes integrally built in means for beginning and stopping the vacuum suction.
    Type: Grant
    Filed: April 13, 1984
    Date of Patent: October 29, 1985
    Assignee: Kabushiki Kaisha Myotoku
    Inventor: Shoii Yamamoto