Patents by Inventor Ja Jung Koo

Ja Jung Koo 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).

  • ELECTROMAGNETIC WAVE SHIELD WITH VACUUM DEPOSITED METAL USING WATER DISPERSED POLYURETHANE
    Publication number: 20100068531
    Abstract: There is provided an electromagnetic wave shield employing water-dispersed polyurethane. The electromagnetic wave shield comprises a plastic layer; a water-dispersed polyurethane primer layer formed on the plastic layer; and a metal deposited layer formed on the water-dispersed polyurethane primer layer. The electromagnetic wave shield has excellent surface property of a deposited metal and good durability through providing peeling resistance for a metal deposited layer by water-dispersed polyurethane.
    Type: Application
    Filed: November 29, 2007
    Publication date: March 18, 2010
    Inventors: Ja Eun Gu, Ja Jung Koo