Granted Patent
Utility
US 5,369,296 · App. 08/139,340
Semiconductor device having a ferroelectric film in a through-hole
Inventor:
Koji Kato
Patented Case
View Patent ↗
Granted: Nov 29, 1994
Filed: Oct 19, 1993
Inventor
Koji Kato
Assignee (at issue)
RAMTRON INTERNATIONAL CORPORATION
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.