Granted Patent
Utility
US 6,743,378 · App. 10/173,802
Plasma display panel with improved mixed green-color fluorescent material
Inventor:
Hiroshi Kawamura
Patented Case
View Patent ↗
Granted: Jun 1, 2004
Filed: Jun 19, 2002
Inventor
Hiroshi Kawamura
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.