Patents by Inventor Il Kyu Cho

Il Kyu Cho 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: 20140242361
    Abstract: Disclosed therein is a sheet for green roof that includes a copper or aluminum thin film or a nonwoven fabric having a predetermined thickness firmly laminated on both sides of a glass fabric having a predetermined area through an adhesive to prevent the root growth of plants and maximizes insulation from moisture, thermal insulation, and reduction of thermal conductivity, thereby extending the lifetimes of the sheet, the waterproof layer and the building structure.
    Type: Application
    Filed: May 5, 2014
    Publication date: August 28, 2014
    Applicant: RENEW SYSTEM CO., LTD
    Inventors: Sang-Keun LEE, Jong-Yong LEE, Il-Kyu CHO
  • Publication number: 20120202026
    Abstract: Disclosed therein is a sheet for green roof that includes a copper or aluminum thin film or a nonwoven fabric having a predetermined thickness firmly laminated on both sides of a glass fabric having a predetermined area through an adhesive to prevent the root growth of plants and maximizes insulation from moisture, thermal insulation, and reduction of thermal conductivity, thereby extending the lifetimes of the sheet, the waterproof layer and the building structure.
    Type: Application
    Filed: November 23, 2009
    Publication date: August 9, 2012
    Inventors: Sang-Keun Lee, Jong-Yong Lee, Il-Kyu Cho
  • Publication number: 20120196956
    Abstract: Disclosed therein is an unvulcanized adhesive waterproof material using reclaimed rubber and a preparation method thereof, and more particularly, an unvulcanized adhesive waterproof material using reclaimed rubber and a preparation method thereof, where reclaimed rubber is added to a softener, a tackifier, a filler, an SBS resin, a PVA pressure sensitive adhesive, etc. and subjected to mechanically forced mixing to form a highly adhesive material, which is then applied on asphalt sheets, HDPE sheets, nonwoven fabric, PE foam, or the like according to the intended use purpose to form a waterproof sheet.
    Type: Application
    Filed: November 23, 2009
    Publication date: August 2, 2012
    Inventors: Sang Keun Lee, Jong Yong Lee, Il Kyu Cho, Jin Sung Kim