Granted Patent
Utility
US 6,538,482 · App. 09/803,775
Voltage detection circuit, power-on/off reset circuit, and semiconductor device
Inventors:
Hiroshige Hirano, Kouji Asari, Tatsumi Sumi
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Mar 12, 2001
Inventors
Hiroshige Hirano
Kouji Asari
Tatsumi Sumi
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.