Granted Patent
Utility
US 6,741,144 · App. 10/142,599
High-frequency semiconductor device
Inventors:
Masahiro Maeda, Shigeru Morimoto
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: May 10, 2002
Inventors
Masahiro Maeda
Shigeru Morimoto
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.