Granted Patent
Utility
US 6,342,425 · App. 09/417,775
Capacitor for semiconductor memory device and fabrication method thereof
Inventor:
Jae Hyun Joo
Patented Case
View Patent ↗
Granted: Jan 29, 2002
Filed: Oct 14, 1999
Inventor
Jae Hyun Joo
Assignee (at issue)
Hyundai Electronics Industries 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.