Patents by Inventor Syuki Hamaguchi

Syuki Hamaguchi 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).

  • Patent number: 6626266
    Abstract: An elevator system includes a cage hoisted by a rope; a counter weight hoisted by the rope; a traction machine in the elevator shaft and higher than a cage stopping position at the uppermost floor, having a driving sheave around which the rope is passed, and a motor for driving the driving sheave to move the cage and the counter weight in the elevator shaft in accordance with the driving of the driving sheave; and a deflector wheel with upper and lower ends lower and higher, respectively, than ends of the traction machine, spaced from the traction machine, in plan, and wound partially with the rope, the rope extending upward in the elevator shaft from the counter weight, passing around the deflector wheel and driving sheave, and extending downward to the cage.
    Type: Grant
    Filed: July 27, 2001
    Date of Patent: September 30, 2003
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventor: Syuki Hamaguchi
  • Publication number: 20020040830
    Abstract: When a conventional machine roomless elevator system is formed by providing a traction machine between a passage for a cage and an inner surface of an elevator shaft, it becomes necessary that a cross-sectional area of the elevator shaft be increased in accordance with an increase in the sizes of the traction machine.
    Type: Application
    Filed: July 27, 2001
    Publication date: April 11, 2002
    Applicant: Mitsubishi Denki Kabushiki Kaisha
    Inventor: Syuki Hamaguchi