Patents by Inventor Soichi Tazumi

Soichi Tazumi 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).

  • Remote monitoring system for automatic door systems
    Patent number: 6392537
    Abstract: A maintenance station monitors and maintains a plurality of automatic door systems at remote locations. Each door system includes a control unit for controlling the operation of an automatic door, and a self-diagnosing arrangement which operates in conjunction with the control operation of the control unit, to inspect the automatic door system for malfunctioning or broken part of the door system. When a failure is found in the automatic door system, the self-diagnosing arrangement of that door system sends information identifying that door system and information identifying the malfunctioning or broken part to the maintenance station via modems and telephones.
    Type: Grant
    Filed: February 26, 1999
    Date of Patent: May 21, 2002
    Assignee: Nabco Limited
    Inventors: Soichi Tazumi, Koji Kakuyama