Patents by Inventor Da Jeong KIM

Da Jeong 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).

  • ALKALI-FREE GLASS AND PREPARATION THEREOF
    Publication number: 20140045676
    Abstract: The present invention provides the composition of an alkali-free glass composition containing no alkali metal oxide and the preparation thereof. The alkali-free glass comprising substantially no alkali metal oxide according to the present invention comprises 61 to 73 wt % of SiO2; 0.5 to 3.9 wt % of B2O3; 3.5 to 13.5 wt % of Al2O3; 9 to 13 wt % of MgO; 1 to 8 wt % of CaO; and 4 to 10 wt % of SrO, based on the total weight of oxides present therein.
    Type: Application
    Filed: October 16, 2013
    Publication date: February 13, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Sang-Kook KIM, Won-Bae LIM, Du-Sun HWANG, Dong-Kwon LEE, Su-Hwan KIM, Da-Jeong KIM
  • Apparatus and method for antenna matching in mobile device
    Patent number: 8644779
    Abstract: An apparatus and a method of realizing an antenna matching in accordance with a user's body effect and a state of a mobile device are provided. The method includes determining a state of the mobile device on a basis of a call mode and at least one of whether an external device is connected to the mobile device, whether a receiver is being used, whether a speaker is being used, and whether a proximity sensor is activated, determining an optimal Tunable Matching Network (TMN) circuit adjustment value in accordance with the determined state, and performing the antenna matching in accordance with the optimal TMN circuit adjustment value.
    Type: Grant
    Filed: May 11, 2011
    Date of Patent: February 4, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong Joo Shin, Jae Ho Lee, Wan Sang Ryu, Da Jeong Kim, Ji Yeon Yun, Jin Woo Jung
  • ALKALI-FREE GLASS AND PREPARATION THEREOF
    Publication number: 20140011659
    Abstract: The present invention provides the composition of an alkali-free glass composition containing no alkali metal oxide and the preparation thereof. The alkali-free glass comprising substantially no alkali metal oxide according to the present invention comprises 46 to 57 wt % of SiO2; 3.5 to 7.5 wt % of B2O3; 21 to 29 wt % of Al2O3; 3 to 14 wt % of MgO; 11 to 16 wt % of CaO; and 1 to 5 wt % of SrO, based on the total weight of oxides present therein.
    Type: Application
    Filed: September 4, 2013
    Publication date: January 9, 2014
    Applicant: LG Chem, Ltd.
    Inventors: Dong-Kwon LEE, Jung-Sik BANG, Sang-Kook KIM, Won-Bae LIM, Su-Hwan KIM, Da-Jeong KIM
  • APPARATUS AND METHOD FOR ANTENNA MATCHING IN MOBILE DEVICE
    Publication number: 20110281532
    Abstract: An apparatus and a method of realizing an antenna matching in accordance with a user's body effect and a state of a mobile device are provided. The method includes determining a state of the mobile device on a basis of a call mode and at least one of whether an external device is connected to the mobile device, whether a receiver is being used, whether a speaker is being used, and whether a proximity sensor is activated, determining an optimal Tunable Matching Network (TMN) circuit adjustment value in accordance with the determined state, and performing the antenna matching in accordance with the optimal TMN circuit adjustment value.
    Type: Application
    Filed: May 11, 2011
    Publication date: November 17, 2011
    Applicant: SAMSUNG ELECTRONICS CO. LTD.
    Inventors: Yong Joo SHIN, Jae Ho LEE, Wan Sang RYU, Da Jeong KIM, Ji Yeon YUN, Jin Woo JUNG
  • Refrigerator handle
    Patent number: D712441
    Type: Grant
    Filed: May 6, 2013
    Date of Patent: September 2, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Mi-Hyun Kim, Da-Jeong Kim, Ae-Ryun Kim, Jang-Won Kim, Hyun-Soo Kim