Granted Patent
Utility
US 6,002,301 · App. 08/970,645
Transistor and power amplifier
Inventors:
Akihisa Sugimura, Kunihiko Kanazawa
Patented Case
View Patent ↗
Granted: Dec 14, 1999
Filed: Nov 14, 1997
Inventors
Akihisa Sugimura
Kunihiko Kanazawa
Assignee (at issue)
Matsushita Electronics 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.