Granted Patent
Utility
US 5,789,983 · App. 08/604,238
High-frequency amplifier having variable gain in response to input power level
Inventor:
Masanori Fujita
Patented Case
View Patent ↗
Granted: Aug 4, 1998
Filed: Feb 21, 1996
Inventor
Masanori Fujita
Assignee (at issue)
NEC 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.