Patents by Inventor Hae Kyung Sim

Hae Kyung Sim 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).

  • Gas detecting sensor and device for controlling ventilation systems
    Patent number: 6276192
    Abstract: There are provided with a gas detecting sensor and a gas detecting device for controlling a ventilation system of a vehicle using the gas detecting sensor. The gas detecting sensor of the present invention includes two kinds of gas sensing layers separately formed and a heater assembly for heating the two sensing layers to different temperatures.
    Type: Grant
    Filed: July 12, 1999
    Date of Patent: August 21, 2001
    Assignee: Auto Electronic Corporation
    Inventors: Hae Kyung Sim, Cheol Lim