Granted Patent
Utility
US 6,822,270 · App. 10/360,143
Semiconductor light emitting device having gallium nitride based compound semiconductor layer
Inventors:
Norikatsu Koide, Akio Aioi, Takeshi Nishino
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Feb 7, 2003
Inventors
Norikatsu Koide
Akio Aioi
Takeshi Nishino
Assignee (at issue)
SHARP KABUSHIKI KAISHA
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.