Granted Patent
Utility
US 6,177,841 · App. 09/258,069
High frequency power amplifier
Inventors:
Akira Ohta, Akira Inoue, Tetsuya Heima
Patented Case
View Patent ↗
Granted: Jan 23, 2001
Filed: Feb 26, 1999
Inventors
Akira Ohta
Akira Inoue
Tetsuya Heima
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.