Granted Patent
Utility
US 6,180,217 · App. 09/039,621
Organic electroluminescent element
Inventors:
Hideaki Ueda, Keiichi Furukawa, Yoshihisa Terasaka
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: Mar 16, 1998
Inventors
Hideaki Ueda
Keiichi Furukawa
Yoshihisa Terasaka
Assignee (at issue)
Minolta Co., Ltd.
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.