Granted Patent
Utility
US 6,268,632 · App. 09/441,568
Field effect transistor and power amplifier including the same
Inventors:
Akihisa Sugimura, Kunihiko Kanazawa
Patented Case
View Patent ↗
Granted: Jul 31, 2001
Filed: Nov 17, 1999
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.