Granted Patent
Utility
US 6,589,300 · App. 09/822,058
Method for producing lithium secondary battery
Inventor:
Ji-Jun Hong
Patented Case
View Patent ↗
Granted: Jul 8, 2003
Filed: Mar 30, 2001
Inventor
Ji-Jun Hong
Assignee (at issue)
Kokam Engineering Co., Ltd.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.