Patents by Inventor Won-Sub Seo

Won-Sub Seo 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).

  • Secondary battery
    Patent number: 11469439
    Abstract: Various embodiments of the present invention relate to a secondary battery. The technical problem to be solved is to provide the secondary battery which can improve the insulation strength of first and second multi-tabs, by forming the first and second multi-tabs of first and second electrode assemblies symmetrically with respect to each other, and also can improve the insulation strength of the first and second multi-tabs by forming an insulating layer on the first and second multi-tabs of the first and second electrode assemblies.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: October 11, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Byoung Kuk Kim, Dong Hyun Lee, Hyung Sik Kim, Jun Yong Lee, Kwang Soo Kim, Sung Hoon Kim, Won Sub Seo
  • SECONDARY BATTERY
    Publication number: 20200044275
    Abstract: Various embodiments of the present invention relate to a secondary battery. The technical problem to be solved is to provide the secondary battery which can improve the insulation strength of first and second multi-tabs, by forming the first and second multi-tabs of first and second electrode assemblies symmetrically with respect to each other, and also can improve the insulation strength of the first and second multi-tabs by forming an insulating layer on the first and second multi-tabs of the first and second electrode assemblies.
    Type: Application
    Filed: February 8, 2018
    Publication date: February 6, 2020
    Inventors: Byoung Kuk KIM, Dong Hyun LEE, Hyung Sik KIM, Jun Yong LEE, Kwang Soo KIM, Sung Hoon KIM, Won Sub SEO
  • Active material coating apparatus and coating method using the same
    Patent number: 9067229
    Abstract: The present invention provides an active material coating apparatus to form an active material layer having a uniform thickness in a width direction of a substrate when forming the active material layer on a substrate.
    Type: Grant
    Filed: October 26, 2010
    Date of Patent: June 30, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Won-Sub Seo, Jee-Sang Hwang, Kyoung-Heon Heo, Gi-Sung Kim
  • Coating apparatus and method for coating using the same
    Patent number: 9067230
    Abstract: A coating apparatus to apply a coating solution onto a base material, including a first body portion, a second body portion spaced-apart by a gap from the first body portion, a coating solution inlet arranged in one region of the second body portion, a coating solution passage connecting the coating solution inlet to said gap, a coating solution outlet arranged at one end of the gap to discharge the coating solution supplied to the coating solution inlet and a gap adjusting arrangement including a plurality of gap adjusting portions arranged on the first body portion to adjust a size of the coating solution outlet, the plurality of gap adjusting portions being arranged in a width direction of the base material.
    Type: Grant
    Filed: July 22, 2011
    Date of Patent: June 30, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Kyoung-Heon Heo, Jee-Sang Hwang, Gi-Sung Kim, Won-Sub Seo
  • Coating Apparatus and Method for Coating Using the Same
    Publication number: 20120148727
    Abstract: A coating apparatus to apply a coating solution onto a base material, including a first body portion, a second body portion spaced-apart by a gap from the first body portion, a coating solution inlet arranged in one region of the second body portion, a coating solution passage connecting the coating solution inlet to said gap, a coating solution outlet arranged at one end of the gap to discharge the coating solution supplied to the coating solution inlet and a gap adjusting arrangement including a plurality of gap adjusting portions arranged on the first body portion to adjust a size of the coating solution outlet, the plurality of gap adjusting portions being arranged in a width direction of the base material.
    Type: Application
    Filed: July 22, 2011
    Publication date: June 14, 2012
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Kyoung-Heon Heo, Jee-Sang Hwang, Gi-Sung Kim, Won-Sub Seo
  • ACTIVE MATERIAL COATING APPARATUS AND COATING METHOD USING THE SAME
    Publication number: 20110287171
    Abstract: The present invention provides an active material coating apparatus to form an active material layer having a uniform thickness in a width direction of a substrate when forming the active material layer on a substrate.
    Type: Application
    Filed: October 26, 2010
    Publication date: November 24, 2011
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Won-Sub Seo, Jee-Sang Hwang, Kyoung-Heon Heo, Gi-Sung Kim