Granted Patent
Utility
US 6,380,690 · App. 09/878,102
Capacitive load drive circuit
Inventor:
Yoshiaki Inada
Patented Case
View Patent ↗
Granted: Apr 30, 2002
Filed: Jun 8, 2001
Inventor
Yoshiaki Inada
Assignee (at issue)
Nippon Precision Circuits Inc.
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.