Granted Patent
Utility
US 6,468,821 · App. 09/947,405
Method for fabricating semiconductor light-emitting unit
Inventors:
Toshihide Maeda, Kunihiko Obara, Tomio Inoue
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Sep 7, 2001
Inventors
Toshihide Maeda
Kunihiko Obara
Tomio Inoue
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, LTD.
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.