Granted Patent
Utility
US 5,781,082 · App. 08/521,441
Power supply filter for preventing noise signal from entering power supply circuit
Inventors:
Yoshihide Gunji, Hideaki Matsuzaki, Hiroshi Ohsawa
Patented Case
View Patent ↗
Granted: Jul 14, 1998
Filed: Aug 30, 1995
Inventors
Yoshihide Gunji
Hideaki Matsuzaki
Hiroshi Ohsawa
Assignee (at issue)
Zexel GmbH
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.