Patents by Inventor Jin Hee Yeon

Jin Hee Yeon 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).

  • Cathode active material for lithium secondary battery
    Patent number: 9236610
    Abstract: Disclosed is a lithium secondary battery, which is low in capacity loss after overdischarge, having excellent capacity restorability after overdischarge and shows an effect of preventing a battery from swelling at a high temperature.
    Type: Grant
    Filed: May 29, 2014
    Date of Patent: January 12, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Sung Kyun Chang, Seung Tae Hong, Hyeong Jin Kim, Duk Hyun Ryu, Eun Young Goh, Ho Chun Lee, Jun Yong Jeong, Jin Hee Yeon, Hyung Keun Lee
  • Cathode active material for lithium secondary battery
    Patent number: 9023525
    Abstract: Disclosed is a lithium secondary battery, which is low in capacity loss after overdischarge, having excellent capacity restorability after overdischarge and shows an effect of preventing a battery from swelling at a high temperature.
    Type: Grant
    Filed: September 11, 2009
    Date of Patent: May 5, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Sung Kyun Chang, Seung Tae Hong, Hyeong Jin Kim, Duk Hyun Ryu, Eun Young Goh, Ho Chun Lee, Jun Yong Jeong, Jin Hee Yeon, Hyung Keun Lee
  • CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY
    Publication number: 20140315078
    Abstract: Disclosed is a lithium secondary battery, which is low in capacity loss after overdischarge, having excellent capacity restorability after overdischarge and shows an effect of preventing a battery from swelling at a high temperature.
    Type: Application
    Filed: May 29, 2014
    Publication date: October 23, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Sung Kyun CHANG, Seung Tae HONG, Hyeong Jin KIM, Duk Hyun RYU, Eun Young GOH, Ho Chun LEE, Jun Yong JEONG, Jin Hee YEON, Hyung Keun LEE
  • Cathode active material for lithium secondary battery
    Patent number: 8835055
    Abstract: Disclosed is a lithium secondary battery, which is low in capacity loss after overdischarge, having excellent capacity restorability after overdischarge and shows an effect of preventing a battery from swelling at a high temperature.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: September 16, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Sung Kyun Chang, Seung Tae Hong, Hyeong Jin Kim, Duk Hyun Ryu, Eun Young Goh, Ho Chun Lee, Jun Yong Jeong, Jin Hee Yeon, Hyung Keun Lee
  • CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY
    Publication number: 20130011727
    Abstract: Disclosed is a lithium secondary battery, which is low in capacity loss after overdischarge, having excellent capacity restorability after overdischarge and shows an effect of preventing a battery from swelling at a high temperature.
    Type: Application
    Filed: September 14, 2012
    Publication date: January 10, 2013
    Inventors: Sung Kyun CHANG, Seung Tae Hong, Hyeong Jin Kim, Duk Hyun Ryu, Eun Young Goh, Ho Chun Lee, Jun Yong Jeong, Jin Hee Yeon, Hyung Keun Lee
  • CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY
    Publication number: 20100203386
    Abstract: Disclosed is a lithium secondary battery, which is low in capacity loss after overdischarge, having excellent capacity restorability after overdischarge and shows an effect of preventing a battery from swelling at a high temperature.
    Type: Application
    Filed: September 11, 2009
    Publication date: August 12, 2010
    Applicant: LG CHEM, LTD.
    Inventors: Sung Kyun CHANG, Seung Tae HONG, Hyeong Jin KIM, Duk Hyun RYU, Eun Young GOH, Ho Chun LEE, Jun Yong JEONG, Jin Hee YEON, Hyung Keun LEE
  • Method for regulating terminal voltage of cathode during overdischarge and cathode active material for lithium secondary battery
    Patent number: 7695867
    Abstract: Disclosed is a method for regulating terminal voltage of a cathode during overdischarge. Also disclosed is a lithium secondary battery, which is low in capacity loss after overdischarge, having excellent capacity restorability after overdischarge and shows an effect of preventing a battery from swelling at a high temperature.
    Type: Grant
    Filed: September 24, 2004
    Date of Patent: April 13, 2010
    Assignee: LG Chem, Ltd.
    Inventors: Sung Kyun Chang, Seung Tae Hong, Hyeong Jin Kim, Duk Hyun Ryu, Eun Young Goh, Ho Chun Lee, Jun Yong Jeong, Jin Hee Yeon, Hyung Keun Lee