Patents by Inventor Joji Tanigawa

Joji Tanigawa 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).

  • Audible floor call recording method and braille information notification device
    Patent number: 6696926
    Abstract: A method for inputting a voice message recording for a particular floor served by an elevator car includes the steps of sensing elevator car positions (21), sensing that a selected car operating panel button has been held down (22) and enabling a voice input process (23). A device for displaying Braille information to an elevator user includes an elongated panel (42) having a central Braille character panel (31) and two buttons (32, 33) disposed at opposite ends of the elongated panel for causing the displayed information to move backward and forward. A plurality of actuators (38), and probes (35) extruding through the Braille panel form Braille characters.
    Type: Grant
    Filed: February 28, 2002
    Date of Patent: February 24, 2004
    Assignee: Otis Elevator Company
    Inventors: Yohsinobu Tsukamoto, Toshirou Takahashi, Joji Tanigawa
  • Man-conveyor step
    Patent number: 6213278
    Abstract: To avoid a step from drawing in the clothing, etc., of a passenger when the passenger is on the moving step, an escalator step 1 comprising a tread part 2 and a riser part 3, includes guard panels 6, 7 which are installed on both sides of the tread part 2 in the direction of step motion.
    Type: Grant
    Filed: April 22, 1999
    Date of Patent: April 10, 2001
    Assignee: Otis Elevator Company
    Inventor: Joji Tanigawa