Granted Patent
Utility
US 6,525,339 · App. 09/732,909
Organic electroluminescent element
Inventor:
Toshihiko Motomatsu
Patented Case
View Patent ↗
Granted: Feb 25, 2003
Filed: Dec 11, 2000
Inventor
Toshihiko Motomatsu
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.