Patents by Inventor Euiwoong Kim

Euiwoong Kim 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).

  • Air cleanness filter
    Publication number: 20060144026
    Abstract: The present invention relates to an air cleaning filter. The air filter is made of polymer synthetic resin film with multiple protrusions on the surface thereof, electrically charged by using charging devices such as a 10 to 40 kV corona discharger. The film is rolled so as to provide an air path in the direction of air flow. The thickness of the film ranges from 0.1 to 1 mm and the height of each protrusion ranges from 0.1 to 5 mm.
    Type: Application
    Filed: February 21, 2004
    Publication date: July 6, 2006
    Applicant: SK Telecom Co., Ltd.
    Inventor: Euiwoong Kim