Patents by Inventor Won Sub Chung

Won Sub Chung 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).

  • METHOD OF SURFACE-TREATING ALUMINUM MATERIAL FOR DISSIPATING HEAT
    Publication number: 20150361575
    Abstract: The present application relates to a method of surface-treating an aluminum material for dissipating heat, which is capable of increasing the radiation heat flux to thus enhance heat dissipation performance, and includes anodizing an aluminum material using an electrolyte composed of oxalic acid, and forming cobalt sulfide (CoS) in surface pores of the aluminum material thus sealing the surface of the aluminum material.
    Type: Application
    Filed: November 4, 2014
    Publication date: December 17, 2015
    Inventors: Ji Yong LEE, Cheol Ung LEE, Kwang Min YOON, Tae Ho JEONG, Dong Hyun KIM, Jung Hoon LEE, Won Sub CHUNG
  • METHOD OF PREPROCESSING MAGNESIUM ALLOY FOR ELECTROPLATING
    Publication number: 20120312331
    Abstract: This invention relates to a method of preprocessing a magnesium alloy for electroplating, including pickling the magnesium alloy with an ethyleneglycol-nitric acid solution.
    Type: Application
    Filed: December 6, 2011
    Publication date: December 13, 2012
    Applicants: Pusan National University Industry-University Cooperation Foundation, HYUNDAI MOTOR COMPANY
    Inventors: Hyung Sop Yoon, Won Sub Chung, Jung Hoon Lee
  • Antifouling paint composition
    Patent number: 7989520
    Abstract: The present invention relates to an antifouling paint composition which is pro-environmental because it does not contain organotin and copper compound which are the major causes of maritime environmental pollution, and has excellent inhibitory effect on the adhesion of marine organisms on the surface. The antifouling paint composition of the present invention characteristically comprises a resin, tourmaline and an alkali metal, an alkali earth metal and/or an oxide thereof.
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: August 2, 2011
    Assignee: Pusan National University Industry-University Cooperation Foundation
    Inventors: Ho Hwan Chun, Inwon Lee, Hyun Park, Won Sub Chung, Nam-Ju Jo
  • ANTIFOULING PAINT COMPOSITION
    Publication number: 20090203824
    Abstract: The present invention relates to an antifouling paint composition which is pro-environmental because it does not contain organotin and copper compound which are the major causes of maritime environmental pollution, and has excellent inhibitory effect on the adhesion of marine organisms on the surface. The antifouling paint composition of the present invention characteristically comprises a resin, tourmaline and an alkali metal, an alkali earth metal and/or an oxide thereof.
    Type: Application
    Filed: March 28, 2008
    Publication date: August 13, 2009
    Inventors: Ho Hwan Chun, Inwon Lee, Hyun Park, Won Sub Chung, Nam-Ju Jo