Patents by Inventor Ejae Kim

Ejae 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).

  • Patent number: 8301136
    Abstract: A method for performing roaming in a dual mode terminal, which includes a first wireless communication module corresponding to a first communication network and a second wireless communication module corresponding to a second communication network, is disclosed. The method comprises acquiring a public land mobile network (PLMN) identifier by camping on the first communication network; determining whether connection to the first communication network is roaming by comparing roaming decision information included in the PLMN identifier with roaming decision information stored in the dual mode terminal; turning off the second wireless communication module if it is determined that connection to the first communication network is roaming; and transmitting and receiving a signal to and from the first communication network.
    Type: Grant
    Filed: June 7, 2011
    Date of Patent: October 30, 2012
    Assignees: LG Electronics Inc., NTT DoCoMo, Inc.
    Inventors: Wooyol Kim, Kwanwoo Park, Seungjin Ahn, Jinju Kim, Joondong Lee, Ejae Kim, Sangwoo Kim, Jonghyun Jin, Heechul Yoo, Kazumasa Nitta, Atsuto Miyata, Kazuoki Ichikawa
  • Publication number: 20110300844
    Abstract: A method for performing roaming in a dual mode terminal, which includes a first wireless communication module corresponding to a first communication network and a second wireless communication module corresponding to a second communication network, is disclosed. The method comprises acquiring a public land mobile network (PLMN) identifier by camping on the first communication network; determining whether connection to the first communication network is roaming by comparing roaming decision information included in the PLMN identifier with roaming decision information stored in the dual mode terminal; turning off the second wireless communication module if it is determined that connection to the first communication network is roaming; and transmitting and receiving a signal to and from the first communication network.
    Type: Application
    Filed: June 7, 2011
    Publication date: December 8, 2011
    Applicants: NTT DOCOMO INC., LG ELECTRONICS INC.
    Inventors: Wooyol KIM, Kwanwoo PARK, Seungjin AHN, Jinju KIM, Joondong LEE, Ejae KIM, Sangwoo KIM, Jonghyun JIN, Heechul YOO, Kazumasa Nitta, Atsuto Miyata, Kazuoki Ichikawa