Patents by Inventor Hisaki Kenmochi

Hisaki Kenmochi 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).

  • Electromagnetic elevator brake
    Patent number: 5199532
    Abstract: An elevator brake is provided with a redundant means to release the brake to allow an elevator cab to move when a primary releasing means, such as a coil, does not release when desired. When the coil is deenergized or defective, an auxiliary coil is used to release the brake and enable the cab to move.
    Type: Grant
    Filed: September 30, 1991
    Date of Patent: April 6, 1993
    Assignee: Otis Elevator Company
    Inventors: Manabu Suganuma, Toshihiko Uematsu, Hisaki Kenmochi