Patents by Inventor Hirotsune Kimura

Hirotsune Kimura 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).

  • Rail snow-melting by electromagnetic induction heating
    Patent number: 5389766
    Abstract: A snow-melting apparatus of an electromagnetic induction heating type, comprises: a high frequency power source; a pair of conductive cables wound in at least one turn around a segment of each rail and through through-holes which are formed through side walls of the rail, the segment of the rail being defined between two through-holes; and a lead wire interconnecting the power source and the conductive cable, for supplying current from the power source to the conductive cable, thereby heating the rail by the flow of electromagnetic ally induced current in the rail segment.
    Type: Grant
    Filed: November 26, 1993
    Date of Patent: February 14, 1995
    Assignee: Fuji Electric Co., Ltd.
    Inventors: Seiichi Takahashi, Ichiro Ideno, Kouji Awatani, Hirotsune Kimura