Patents by Inventor Chil-hoon Do

Chil-hoon Do 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: 6866963
    Abstract: A cathode active material and a lithium secondary battery employing the same are provided.
    Type: Grant
    Filed: June 26, 2001
    Date of Patent: March 15, 2005
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Do-Young Seung, Won-cheol Jung, Chil-hoon Do, Sung-in Moon
  • Publication number: 20020055039
    Abstract: A cathode active material and a lithium secondary battery employing the same are provided.
    Type: Application
    Filed: June 26, 2001
    Publication date: May 9, 2002
    Inventors: Do-young Seung, Won-chel Jung, Chil-hoon Do, Sung-in Moon