Patents by Inventor Won Suk Chang

Won Suk Chang 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).

  • Patent number: 6514589
    Abstract: This invention relates to a solar control film that blocks the sunlight, when applied to various windows of automobiles, buildings or exhibition places and that prevent any second accident caused by broken glasses at an accident. From the solar control film, a surface protective layer, a plastic film substrate, a hologram-engraved layer, a metal deposition layer, a pressure sensitive adhesive layer and a release film are laminated in due order. The solar control film of this. Hence the above-described solar film has a basic function such as an excellent blocking rate of visible and infrared rays, while demonstrating an additional antifog action and an elegant look due to the hologram effect.
    Type: Grant
    Filed: August 14, 2000
    Date of Patent: February 4, 2003
    Assignee: Kolon Industries, Inc.
    Inventors: Won Suk Chang, Jong Min Park, Chang Sup Ji