Patents by Inventor Eun CHEON

Eun CHEON 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).

  • Publication number: 20100274799
    Abstract: The present invention is related to a technology for grasping the number of a plurality of terminals of a client using a Cookie in a private network in which plural terminals are shared by redirecting a session which is to be connected to a Web by analyzing a TCP/IP packet, detecting the accurate number of a plurality of terminals of a client using an Internet, and making the accurate number as a DB, and selectively permitting or blocking a connection to Internet according to TCP/IP by using the Cookie pool information of a DB type and JOB when the users configuring and using a private network connect to the Internet at the same time.
    Type: Application
    Filed: October 8, 2008
    Publication date: October 28, 2010
    Inventors: Yun-Seok Lee, Jeong-Ah Kim, Kyu-Min Choi, Se-Eun Cheon, Kyoung-Pil Kong
  • Publication number: 20100233519
    Abstract: A rechargeable battery configured to stably and easily interrupt a current includes: an electrode assembly including a positive electrode, a negative electrode, and a separator between the positive electrode and the negative electrode; a case containing the electrode assembly therein and having a first opening at one end thereof; and a first plate coupled to the case and sealing the first opening, the first plate electrically connected to the electrode assembly, wherein the first plate includes a wrinkle portion configured to deform for disconnecting the first plate from the electrode assembly when an internal pressure of the case is greater than a reference pressure.
    Type: Application
    Filed: March 9, 2010
    Publication date: September 16, 2010
    Inventors: Sang-Eun Cheon, Tatsuya Hashimoto, Seok-Yoon Yoo, Chi-Young Lee, Dong-Wook Kim, Jong-Seok Moon
  • Publication number: 20100227215
    Abstract: A battery including: a case having a case region extendable along a first direction; an electrode assembly housed within the case and including a first electrode, a second electrode, and a separator between the first electrode and the second electrode, the first electrode including a first uncoated region at a first end of the electrode assembly, and the second electrode including a second uncoated region at a second end of the electrode assembly, the second end facing oppositely away from the first end, and the first uncoated region being spatially separated from the second uncoated region along the first direction; and a terminal electrically coupled to at least one of the first uncoated region or the second uncoated region, the case region being between the first uncoated region and the second uncoated region along the first direction.
    Type: Application
    Filed: November 25, 2009
    Publication date: September 9, 2010
    Inventors: Sang-Eun Cheon, Tatsuya Hashimoto, Seok-Yoon Yoo, Dong-Wook Kim, Chi-Young Lee, Jong-Seok Moon
  • Publication number: 20100167113
    Abstract: A rechargeable battery includes an electrode assembly comprising a positive electrode, a negative electrode, and a separator between the positive electrode and the negative electrode wound together and a case housing the electrode assembly, wherein the electrode assembly has an inner surface and an outer surface having a concave portion.
    Type: Application
    Filed: December 21, 2009
    Publication date: July 1, 2010
    Inventors: Dong-Hyun Lee, Sang-Eun Cheon, Tatsuya Hashimoto, Seok-Yoon Yoo, Chi-Young Lee
  • Publication number: 20100159316
    Abstract: A secondary battery module including a plurality of unit batteries that each include a cap plate and a case connected to either one of a positive electrode and a negative electrode of an electrode assembly and an electrode terminal connected to the other of the positive electrode and negative electrode, wherein the electrode terminal protrudes outside of a unit battery by passing through the cap plate covering the case, and a connector having a first end and a second end, wherein the first end fits on the electrode terminal of one of the unit batteries and is screw-engaged to the electrode terminal by a nut and the second end is connected to the case of another adjacent unit battery.
    Type: Application
    Filed: December 18, 2009
    Publication date: June 24, 2010
    Inventors: Sang-Eun Cheon, Tatsuya Hashimoto, Seok-Yoon Yoo, Chi-Young Lee, Dong-Wook Kim, Dong-Hyun Lee
  • Patent number: 7736793
    Abstract: A secondary battery. An electrode assembly is mounted in a container. The electrode assembly is formed by winding a positive electrode and a negative electrode with respect to a separator interposed between the positive and negative electrodes. A cap assembly is fixed to the container to seal the container assembly to provide a terminal for electrical current. An uncoated region is formed along the edge of the length direction of the positive electrode or the negative electrode. The uncoated region is left uncoated with an active material. A collector plate includes a contact portion of the curved shape to be electrically connected to the uncoated region.
    Type: Grant
    Filed: May 3, 2005
    Date of Patent: June 15, 2010
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sang-Eun Cheon, Ki-Ho Kim
  • Patent number: 7718306
    Abstract: A rechargeable battery including an electrode assembly containing a positive electrode, a negative electrode and a separator interposed therebetween, a case having a space for housing the electrode assembly therein, lead elements connected to the electrode assembly and disposed at a sealing region of the case, and a sealant arranged between and adjacent to the case and the lead element the sealant including an area having relatively less resistance to fracture.
    Type: Grant
    Filed: April 13, 2006
    Date of Patent: May 18, 2010
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sang-Eun Cheon, Jae-Kyung Kim, Hye-Won Yoon, Seok-Yoon Yoo
  • Publication number: 20090214948
    Abstract: A secondary battery includes an electrode assembly having a positive electrode, a negative electrode and a separator interposed between the positive and negative electrodes and a container for receiving the electrode assembly inside thereof. The secondary battery also includes a cap assembly fixed to the container to seal the container and a gasket disposed between the container and the cap assembly. The gasket has at least one concavo-convex portion on a surface contacting the container and/or the cap assembly. This improved gasket structure enhances the air tightness of the secondary battery.
    Type: Application
    Filed: May 6, 2009
    Publication date: August 27, 2009
    Inventors: Sang-Eun Cheon, Jae-Kyung Kim, Hye-Won Yoon, Seok-Yoon Yoo
  • Patent number: 7544440
    Abstract: A secondary battery includes an electrode assembly having a positive electrode, a negative electrode and a separator interposed between the positive and negative electrodes and a container for receiving the electrode assembly inside thereof. The secondary battery also includes a cap assembly fixed to the container to seal the container and a gasket disposed between the container and the cap assembly. The gasket has at least one concavo-convex portion on a surface contacting the container and/or the cap assembly. This improved gasket structure enhances the air tightness of the secondary battery.
    Type: Grant
    Filed: October 14, 2005
    Date of Patent: June 9, 2009
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sang-Eun Cheon, Jae-Kyung Kim, Hye-Won Yoon, Seok-Yoon Yoo
  • Publication number: 20080124614
    Abstract: A rechargeable battery including an electrode assembly containing a positive electrode, a negative electrode and a separator interposed therebetween, a case having a space for housing the electrode assembly therein, lead elements connected to the electrode assembly and disposed at a sealing region of the case, and a sealant arranged between and adjacent to the case and the lead element the sealant including an area having relatively less resistance to fracture.
    Type: Application
    Filed: February 7, 2008
    Publication date: May 29, 2008
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Sang-Eun CHEON, Jae-Kyung KIM, Hye-Won YOON, Seok-Yoon YOO
  • Patent number: 7273679
    Abstract: A secondary battery includes an electrode assembly having a positive electrode, a negative electrode and a separator, and a case containing the electrode assembly therein. A cap assembly is attached to the case and has a positive electrode terminal and a negative electrode terminal. The positive and the negative electrodes have non-active material portions with no active material, and the positive and the negative electrode terminals are respectively electrically connected to the non-active material portions of the positive and the negative electrodes. A width of the electrode assembly W1 is greater than a width of the positive and negative electrode non-active material portions W2.
    Type: Grant
    Filed: October 14, 2005
    Date of Patent: September 25, 2007
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hye-Won Yoon, Sang-Eun Cheon, Jae-Kyung Kim, Seok-Yoon Yoo
  • Publication number: 20070009792
    Abstract: A battery including an electrode assembly including first and second electrodes, a lead element electrically connected to the first electrode, and an external terminal electrically connected to the lead element, wherein the lead element includes a fixing member configured to hold the lead element against the first electrode.
    Type: Application
    Filed: July 5, 2006
    Publication date: January 11, 2007
    Inventors: Sang-Eun Cheon, Hye-Won Yoon, Jae-Kyung Kim, Seok-Yoon Yoo
  • Publication number: 20060240320
    Abstract: A rechargeable battery includes an electrode assembly having a positive electrode, a negative electrode and a separator interposed between the positive electrode and the negative electrode, a case for receiving the electrode assembly, the case having an open end, and a cap plate having an inclined outer edge surface, an outer end of the included outer edge surface being attached to a surface of the open end of the case.
    Type: Application
    Filed: April 25, 2006
    Publication date: October 26, 2006
    Inventors: Sang-Eun Cheon, Jae-Kyung Kim, Hye-Won Yoon, Seok-Yoon Yoo
  • Publication number: 20060238162
    Abstract: A rechargeable battery including an electrode assembly containing a positive electrode, a negative electrode and a separator interposed therebetween, a case having a space for housing the electrode assembly therein, lead elements connected to the electrode assembly and disposed at a sealing region of the case, and a sealant arranged between and adjacent to the case and the lead element the sealant including an area having relatively less resistance to fracture.
    Type: Application
    Filed: April 13, 2006
    Publication date: October 26, 2006
    Inventors: Sang-Eun Cheon, Jae-Kyung Kim, Hye-Won Yoon, Seok-Yoon Yoo
  • Publication number: 20060093920
    Abstract: The present invention relates to a conductive agent/positive active material composite for a lithium secondary battery. The composite includes a positive active material capable of reversibly intercalating/deintercalating lithium ions, and a conductive agent on the surface of the positive active material. The conductive agent comprises a first conductive agent having a specific surface area ranging from about 200 to about 1500 m2/g and a second conductive agent having a specific surface area of about 100 m2/g or less.
    Type: Application
    Filed: October 25, 2005
    Publication date: May 4, 2006
    Inventors: Sang-Eun Cheon, Seok-Yoon Yoo, Hye-Won Yoon, Jae-Kyung Kim
  • Publication number: 20060093910
    Abstract: A secondary battery includes an electrode assembly having a positive electrode, a negative electrode and a separator, and a case containing the electrode assembly therein. A cap assembly is attached to the case and has a positive electrode terminal and a negative electrode terminal. The positive and the negative electrodes have non-active material portions with no active material, and the positive and the negative electrode terminals are respectively electrically connected to the non-active material portions of the positive and the negative electrodes. A width of the electrode assembly W1 is greater than a width of the positive and negative electrode non-active material portions W2.
    Type: Application
    Filed: October 14, 2005
    Publication date: May 4, 2006
    Inventors: Hye-Won Yoon, Sang-Eun Cheon, Jae-Kyung Kim, Seok-Yoon Yoo
  • Publication number: 20060093904
    Abstract: A secondary battery includes an electrode assembly having a positive electrode, a negative electrode and a separator interposed between the positive and negative electrodes and a container for receiving the electrode assembly inside thereof. The secondary battery also includes a cap assembly fixed to the container to seal the container and a gasket disposed between the container and the cap assembly. The gasket has at least one concavo-convex portion on a surface contacting the container and/or the cap assembly. This improved gasket structure enhances the air tightness of the secondary battery.
    Type: Application
    Filed: October 14, 2005
    Publication date: May 4, 2006
    Inventors: Sang-Eun Cheon, Jae-Kyung Kim, Hye-Won Yoon, Seok-Yoon Yoo
  • Publication number: 20060063068
    Abstract: A secondary battery includes an electrode assembly including a positive electrode, a negative electrode, and a separator interposed between the positive and negative electrodes, a case for housing the electrode assembly, a cap assembly to be attached to the case for sealing the case and to have a terminal exposed outside the case, and a lead element which electrically connects the electrode assembly to the terminal. The electrode assembly includes an uncoated region where an active material is not present and the lead element has a configuration corresponding to that of the uncoated region and is closely affixed to the uncoated region.
    Type: Application
    Filed: August 29, 2005
    Publication date: March 23, 2006
    Inventors: Sang-Eun Cheon, Jae-Kyung Kim, Seok-Yoon Yoo, Hye-Won Yoon
  • Publication number: 20060008702
    Abstract: A secondary battery includes an electrode assembly with a positive electrode, a negative electrode and a separator disposed between the positive and the negative electrodes, and a case in which the electrode assembly is mounted. At least one of the positive and the negative electrodes has a leading edge with a rigidity reinforcing member.
    Type: Application
    Filed: June 23, 2005
    Publication date: January 12, 2006
    Inventors: Sang-Eun Cheon, Jae-Yul Ryu, Hye-Won Yoon, Seok-Yoon Yoo, Jae-Kyung Kim, Min-Ho Jang
  • Publication number: 20050287434
    Abstract: The rechargeable battery comprises an electrode assembly including a positive electrode, a negative electrode, and a separator interposed between those two electrodes. The battery further comprises a container that receives the electrode assembly inside it and a cap assembly that is coupled with the container to seal it. The cap assembly includes a cap plate that is coupled with the container, an external terminal that is disposed in the cap plate to be coupled with to the electrode assembly, and a tubular body that surrounds the external terminal to fix the external terminal to the cap plate.
    Type: Application
    Filed: June 29, 2005
    Publication date: December 29, 2005
    Inventors: Jae-Kyung Kim, Sang-Eun Cheon, Seok-Yoon Yoo, Hye-Won Yoon