Patents by Inventor Akihiko Yokozi

Akihiko Yokozi 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).

  • Air-floating belt conveyor device
    Patent number: 6170644
    Abstract: An endless belt rotates between a tail pulley and a head pulley. The belt is floated in a tubular belt support by blowing air out of air blowing bores of the belt support, and runs from the tail pulley to the head pulley. A ultra-high molecular polyethylene layer is applied on the inner circumferential surface of the belt support, opposing to the belt, thereby assuring smooth running of the belt.
    Type: Grant
    Filed: August 10, 1999
    Date of Patent: January 9, 2001
    Assignee: Bridgestone Corporation
    Inventors: Akira Nakaegawa, Shinichi Sumino, Akihiko Yokozi, Motohiro Shiraishi
  • Twin belt conveyor apparatus
    Patent number: 6003659
    Abstract: There are provided two flat belts which rotate in opposite directions. Between the two belts, materials are put and conveyed upwards. A head pulley around which one of the belts is wound is driven by a motor, and another head pulley around which the other of the belts is wound is connected to the head pulley driven by the motor via sprockets, an endless chain, a shaft and two gears. The two belts are driven and rotated by the same motor, thereby simplifying its structure.
    Type: Grant
    Filed: April 15, 1998
    Date of Patent: December 21, 1999
    Assignee: Bridgestone Corporation
    Inventors: Masaki Uranaka, Akihiko Yokozi