Granted Patent
Utility
US 6,465,116 · App. 09/327,509
Organic electroluminescent device
Inventors:
Hitoshi Ishikawa, Satoru Toguchi, Yukiko Morioka, Atsushi Oda
Patented Case
View Patent ↗
Granted: Oct 15, 2002
Filed: Jun 8, 1999
Inventors
Hitoshi Ishikawa
Satoru Toguchi
Yukiko Morioka
Atsushi Oda
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.