Patents by Inventor Eun-Kwang Hur

Eun-Kwang Hur 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).

  • Ferrite green sheet, sintered ferrite sheet, ferrite composite sheet comprising the same, and conductive loop antenna module
    Patent number: 9847577
    Abstract: Disclosed are a ferrite green sheet comprising a pattern formed in a top surface of the ferrite green sheet, a sintered ferrite sheet, a ferrite composite sheet comprising the same, and a conductive loop antenna module. The pattern comprises a plurality of grooves, each groove has a width W and a rounded shape bottom having a radius of curvature of R, wherein a ratio of W to R (W:R) is in the range of 1:0.1 to 1:0.5.
    Type: Grant
    Filed: December 2, 2013
    Date of Patent: December 19, 2017
    Assignee: 3M Innovative Properties Company
    Inventors: Eun-Kwang Hur, Jung-Ju Suh, Seungah Cho, Suk-Won Choi
  • FERRITE GREEN SHEET, SINTERED FERRITE SHEET, FERRITE COMPOSITE SHEET COMPRISING THE SAME, AND CONDUCTIVE LOOP ANTENNA MODULE
    Publication number: 20150349424
    Abstract: Disclosed are a ferrite green sheet comprising a pattern formed in a top surface of the ferrite green sheet, a sintered ferrite sheet, a ferrite composite sheet comprising the same, and a conductive loop antenna module. The pattern comprises a plurality of grooves, each groove has a width W and a rounded shape bottom having a radius of curvature of R, wherein a ratio of W to R (W:R) is in the range of 1:0.1 to 1:0.5.
    Type: Application
    Filed: December 2, 2013
    Publication date: December 3, 2015
    Inventors: Eun-Kwang Hur, Jung-Ju Suh, Seungah Cho, Suk-Won Choi
  • ELECTROMAGNETIC INTERFERENCE SUPPRESSING HYBRID SHEET
    Publication number: 20110186324
    Abstract: Disclosed is an electromagnetic interference suppressing hybrid sheet including an electromagnetic wave absorbing layer including ferrite particles, which is laminated on one side of an electromagnetic wave shielding layer including an electro-conductive material, thereby protecting an electronic device from an electromagnetic wave generated from inside and/or outside of the electronic device.
    Type: Application
    Filed: September 2, 2009
    Publication date: August 4, 2011
    Inventors: Eun-Kwang Hur, Jung-Ju Suh, Jung-Hwan Lee