Granted Patent
Utility
US 6,777,876 · App. 10/400,892
Power-supply unit for microwave tube
Inventors:
Junichi Kobayashi, Takuichi Tsuchiya, Junichi Matsuoka
Patented Case
View Patent ↗
Granted: Aug 17, 2004
Filed: Mar 27, 2003
Inventors
Junichi Kobayashi
Takuichi Tsuchiya
Junichi Matsuoka
Assignee (at issue)
NEC Microwave Tube, Ltd.
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.