Patents by Inventor Hee Min Um

Hee Min Um 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).

  • Pouch type lithium secondary battery
    Publication number: 20080241680
    Abstract: A pouch type lithium secondary battery includes a crude cell equipped with electrode leads and electrode tabs, a battery case for sealing the crude cell, and insulating materials provided on an inner surface of the battery case in which the electrode leads and the electrode tabs are disposed. In a method of fabricating a pouch type lithium secondary battery comprising a crude cell equipped with electrode leads and electrode tabs, and a battery case for sealing the crude cell, the battery case is comprised of a first receiving portion for receiving the crude cell and a second receiving portion for receiving the electrode leads. The method includes the steps of processing insulating materials on an inner surface of the second receiving portion, inserting the crude cell into the battery case, and sealing the battery case.
    Type: Application
    Filed: March 25, 2008
    Publication date: October 2, 2008
    Applicant: Saehan Enertech, Inc.
    Inventors: Jae Bong Lee, Young Jae Kim, Jae Kook Jeong, Gyu Sik Kim, Won Sob Eom, Hee Min Um