Granted Patent
Utility
US 6,778,020 · App. 10/379,557
High-frequency power amplifier
Inventors:
Akira Ohta, Shingo Matsuda, Akira Inoue, Seiki Goto
Patented Case
View Patent ↗
Granted: Aug 17, 2004
Filed: Mar 6, 2003
Inventors
Akira Ohta
Shingo Matsuda
Akira Inoue
Seiki Goto
Assignee (at issue)
MITSUBISHI ELECTRIC 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.