Patents by Inventor Chea-Hyun Lim

Chea-Hyun Lim 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: 9259799
    Abstract: A welding horn for a secondary battery, used in ultrasonic welding includes a body portion having coupling portions respectively provided at one and the other ends thereof; and a tip portion provided at a central portion of the body portion and having protruding portions provided on a surface thereof. In the welding horn, a nitride is coated on at least one surface of the welding horn.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: February 16, 2016
    Assignee: SAMSUNG SDI CO. LTD.
    Inventors: Hyun-Jun Kim, Dong-Bin Min, Chea-Hyun Lim
  • Publication number: 20140299652
    Abstract: A welding horn for a secondary battery, used in ultrasonic welding includes a body portion having coupling portions respectively provided at one and the other ends thereof; and a tip portion provided at a central portion of the body portion and having protruding portions provided on a surface thereof. In the welding horn, a nitride is coated on at least one surface of the welding horn.
    Type: Application
    Filed: March 26, 2014
    Publication date: October 9, 2014
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Hyun-Jun KIM, Dong-Bin MIN, Chea-Hyun LIM
  • Publication number: 20110314627
    Abstract: An apparatus for removing foreign materials on a can of a rechargeable battery according to an embodiment comprises: a can in which an electrode assembly is embedded; a puck on which the can is mounted; and a suction tube configured to remove foreign materials attached to an end of the can by forming a flow of air at an end of an opening formed on one side of the can.
    Type: Application
    Filed: October 14, 2010
    Publication date: December 29, 2011
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Dae-Wook Yu, Moon-Soo Kim, Chea-Hyun Lim