Granted Patent
Utility
US 6,514,633 · App. 09/664,407
Light emitting device material, light emitting device using thereof, and amine compound
Inventor:
Kazumi Nii
Patented Case
View Patent ↗
Granted: Feb 4, 2003
Filed: Sep 18, 2000
Inventor
Kazumi Nii
Assignee (at issue)
Fujitsu Limited
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.