Patents Assigned to Denki Kogyo Company, Ltd.
  • Patent number: 5477035
    Abstract: A resonance circuit including a high frequency induction heating coil is set to a resonance state and a heating temperature of an object to be heated (for example, catalytic converter or the like) is controlled on the basis of a resonance frequency varied with an increased temperature of the object under the resonance state.
    Type: Grant
    Filed: April 8, 1994
    Date of Patent: December 19, 1995
    Assignees: Denki Kogyo Company, Ltd., Fuji Jukogyo Kabushiki Kaisha
    Inventors: Isao Matsumoto, Tetsuo Fusato, Fumitoshi Kimura, Fujio Matsui