Granted Patent
Utility
US 6,492,849 · App. 09/820,842
Supply voltage detection circuit
Inventors:
Heiji Ikoma, Yoshitsugu Inagaki, Koji Oka
Patented Case
View Patent ↗
Granted: Dec 10, 2002
Filed: Mar 30, 2001
Inventors
Heiji Ikoma
Yoshitsugu Inagaki
Koji Oka
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, 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.