Patents by Inventor Hirayoshi Naito

Hirayoshi Naito 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).

  • Pneumatic transmission apparatus
    Patent number: 5429156
    Abstract: A spiral flow connector imparts a spiral flow of air to urge parts being transmitted toward a central axis to avoid contact with the walls of the transmission passages of a pneumatic transmission apparatus. The invention is especially useful for preventing damage to fragile parts such as small resin molds, metal parts or powdered material. The spiral air flow prevents air stalling in the transmission passages.
    Type: Grant
    Filed: November 23, 1993
    Date of Patent: July 4, 1995
    Inventors: Kazuyuki Ueda, Hirayoshi Naito