Granted Patent
Utility
US 4,628,218 · App. 06/463,420
Driving circuit suppressing peak value of charging current from power supply to capacitive load
Inventor:
Kazuo Nakaizumi
Patented Case
View Patent ↗
Granted: Dec 9, 1986
Filed: Feb 3, 1983
Inventor
Kazuo Nakaizumi
Assignee (at issue)
NIPPON ELECTRIC CO., 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.