Patents by Inventor Tomomitsu Sano

Tomomitsu Sano 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).

  • Door operation controller
    Patent number: 11274020
    Abstract: A door operation controller for an elevator includes at least one sensor arranged in a doorway at a landing for detecting moving direction and/or moving speed of a person or an object in or near the doorway during a time period from when the elevator door is opened until when the elevator door is closed at the landing. The controller is configured to control door operation in response to the detection of a person's or object's movement in or near the doorway at the landing.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: March 15, 2022
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Hisanori Seki, Atsushi Yamada, Tomomitsu Sano
  • DOOR OPERATION CONTROLLER
    Publication number: 20190218068
    Abstract: A door operation controller for an elevator includes at least one sensor arranged in a doorway at a landing for detecting moving direction and/or moving speed of a person or an object in or near the doorway during a time period from when the elevator door is opened until when the elevator door is closed at the landing. The controller is configured to control door operation in response to the detection of a person's or object's movement in or near the doorway at the landing.
    Type: Application
    Filed: January 12, 2018
    Publication date: July 18, 2019
    Inventors: Hisanori Seki, Atsushi Yamada, Tomomitsu Sano