Patents by Inventor Takatoshi Miyazaki

Takatoshi Miyazaki 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).

  • Signal safety method, signal safety apparatus and signal safety system
    Patent number: 7099754
    Abstract: In order to propose a method of promptly judging movement of a train between block sections with a minimum number of transponders, an on-ground train control part for controlling operation of a train; an on-ground communication means capable of performing communication of information by coming within a specified range; and a sending-and-receiving part capable of sending the information received by the on-ground communication device to the on-ground train control part and receiving the information sent from the on-ground train control part, are provided, thereby, a position of presence of train is grasped by receiving a speed of the train using the on-ground communication means when the on-train communication means attached to the train comes near.
    Type: Grant
    Filed: December 18, 2003
    Date of Patent: August 29, 2006
    Assignee: Hitachi, Ltd.
    Inventors: Yoichi Sugita, Dai Watanabe, Takatoshi Miyazaki, Kiyoshi Chiba
  • Signal safety method, signal safety apparatus and signal safety system
    Publication number: 20040193336
    Abstract: In order to propose a method of promptly judging movement of a train between block sections with a minimum number of transponders, an on-ground train control part for controlling operation of a train; an on-ground communication means capable of performing communication of information by coming within a specified range; and a sending-and-receiving part capable of sending the information received by the on-ground communication device to the on-ground train control part and receiving the information sent from the on-ground train control part, are provided, thereby, a position of presence of train is grasped by receiving a speed of the train using the on-ground communication means when the on-train communication means attached to the train comes near.
    Type: Application
    Filed: December 18, 2003
    Publication date: September 30, 2004
    Inventors: Yoichi Sugita, Dai Watanabe, Takatoshi Miyazaki, Kiyoshi Chiba