Patents by Inventor Yukiyasu Nagao

Yukiyasu Nagao 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).

  • Method of renewing passenger conveyor
    Patent number: 11724918
    Abstract: There is provided a method of renewing a passenger conveyor that is capable of preventing the passenger conveyor from being unavailable for a long time period when the passenger conveyor is renewed in a stepped manner. The method of renewing a passenger conveyor includes a safety device update process of updating an existing safety device to a new safety device in the passenger conveyor, and a drive machine and control panel update process of, after the safety device update process, updating an existing drive machine of the passenger conveyor to a new drive machine and updating an existing control panel of the passenger conveyor to a new control panel.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: August 15, 2023
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventor: Yukiyasu Nagao
  • METHOD OF RENEWING PASSENGER CONVEYOR
    Publication number: 20220194745
    Abstract: There is provided a method of renewing a passenger conveyor that is capable of preventing the passenger conveyor from being unavailable for a long time period when the passenger conveyor is renewed in a stepped manner. The method of renewing a passenger conveyor includes a safety device update process of updating an existing safety device to a new safety device in the passenger conveyor, and a drive machine and control panel update process of, after the safety device update process, updating an existing drive machine of the passenger conveyor to a new drive machine and updating an existing control panel of the passenger conveyor to a new control panel.
    Type: Application
    Filed: August 6, 2019
    Publication date: June 23, 2022
    Applicant: Mitsubishi Electric Corporation
    Inventor: Yukiyasu NAGAO
  • Missing step detection device of passenger conveyor
    Patent number: 8387772
    Abstract: Provided is a missing step detection device which can be miniaturized even when the clearance between adjacent steps is wide.
    Type: Grant
    Filed: June 9, 2008
    Date of Patent: March 5, 2013
    Assignee: Mitsubishi Electric Corporation
    Inventor: Yukiyasu Nagao
  • MISSING STEP DETECTION DEVICE OF PASSENGER CONVEYOR
    Publication number: 20110031090
    Abstract: Provided is a missing step detection device which can be miniaturized even when the clearance between adjacent steps is wide.
    Type: Application
    Filed: June 9, 2008
    Publication date: February 10, 2011
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventor: Yukiyasu Nagao