Granted Patent
Utility
US 6,690,108 · App. 09/899,352
Organic electroluminescence element and manufacturing method therefor
Inventors:
Yoshikazu Yamaguchi, Shinichi Fukuzawa
Patented Case
View Patent ↗
Granted: Feb 10, 2004
Filed: Jul 5, 2001
Inventors
Yoshikazu Yamaguchi
Shinichi Fukuzawa
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.