Granted Patent
Utility
US 6,696,794 · App. 09/891,413
Method for driving AC plasma display
Inventor:
Mitsuhiro Ishizuka
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Jun 27, 2001
Inventor
Mitsuhiro Ishizuka
Assignee (at issue)
NEC 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.