Patents by Inventor Yoshiharu Yamato

Yoshiharu Yamato 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).

  • Uniform-pressure press apparatus
    Patent number: 4576092
    Abstract: A uniform-pressure press apparatus has a single or a plurality of liquid-in-pressure equalizing chambers independently provided in at least one of a pressure-receiving frame and a movable table to allow an operation surface to serve as a floating plate, thereby to correct any deflection produced in the pressure-receiving frame and the movable table.
    Type: Grant
    Filed: March 5, 1984
    Date of Patent: March 18, 1986
    Assignee: Kohtaki & Co., Ltd.
    Inventor: Yoshiharu Yamato