Patents by Inventor Hyuk Jae Kwon

Hyuk Jae Kwon 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).

  • Publication number: 20110165049
    Abstract: The present invention relates to a catalyst for removal of nitrogen oxides from exhaust gas, a method of preparing the same and a method of removing nitrogen oxide in an exhaust gas using the same, and more particularly, to a catalyst for removal of nitrogen oxides from exhaust gas in which a ceramic fiber carrier is hydrothermal-treated prior to washcoating to improve the hydrothermal stability of catalyst, a method of preparing the same and a method of removing nitrogen oxide in an exhaust gas using the same. The catalyst prepared according to the present invention has excellent hydrothermal stability and an activity of the catalyst remains for a long time. Further, by using this catalyst to remove nitrogen oxides in an exhaust gas, a removal ratio of the nitrogen oxides is improved more.
    Type: Application
    Filed: January 8, 2009
    Publication date: July 7, 2011
    Inventors: Ju-Hyung Lee, In-sik Nam, Seong-moon Jung, Jong-sik Choi, Sun-joo Kim, Hyuk-Jae Kwon, Young-jin Kim, Joon-hyun Baik
  • Publication number: 20100143228
    Abstract: A zeolite catalyst for removing nitrogen oxides is provided, in which 5 to 30 wt % of manganese (Mn) and 2 to 20 wt % of iron (Fe) on the basis of the total weight of the catalyst are supported on zeolite, and a method for preparing the same, and a method for removing nitrogen oxides using the same are provided.
    Type: Application
    Filed: December 1, 2009
    Publication date: June 10, 2010
    Applicants: HYUNDAI MOTOR COMPANY, Ordeg Co., Ltd.
    Inventors: Jin Woo Choung, In-Sik Nam, Hyuk-Jae Kwon, Young-Jin Kim, Dae-Hwan Kang, Moon-Soon Cha
  • Publication number: 20080308543
    Abstract: A cigarette lighter for a vehicle includes a socket electrically connected to a vehicle battery; and a plug, removably disposed in the socket. The plug includes a push button and an outer housing. The push button is slidable within the outer housing, and includes a heating element. The outer housing includes a plug holder that surrounds the push button. The lighter also includes a handle on the plug holder for extraction of the plug from the socket. The plug holder may include a rim that interferes with the socket to act as a stopper. The handle may be hinged to the plug holder, and rotatable between a first, usable position, and a second, rest position, at which it is seated against the rim.
    Type: Application
    Filed: November 19, 2007
    Publication date: December 18, 2008
    Inventor: Hyuk Jae Kwon