Granted Patent
Utility
US 6,582,837 · App. 09/112,364
Organic electroluminescence device
Inventors:
Satoru Toguchi, Atushi Oda, Hitoshi Ishikawa
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Jul 9, 1998
Inventors
Satoru Toguchi
Atushi Oda
Hitoshi Ishikawa
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.