Granted Patent
Utility
US 4,622,480 · App. 06/487,523
Switched capacitor circuit with high power supply projection ratio
Inventors:
Kuniharu Uchimura, Atushi Iwata
Patented Case
View Patent ↗
Granted: Nov 11, 1986
Filed: Apr 22, 1983
Inventors
Kuniharu Uchimura
Atushi Iwata
Assignee (at issue)
Nippon Telegraph and Telephone Public 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.