Granted Patent
Utility
US 6,597,614 · App. 09/892,550
Self refresh circuit for semiconductor memory device
Inventors:
Jong Ki Nam, Jong-Doo Joo
Patented Case
View Patent ↗
Granted: Jul 22, 2003
Filed: Jun 28, 2001
Inventors
Jong Ki Nam
Jong-Doo Joo
Assignee (at issue)
SK hynix Inc.
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.