Granted Patent
Utility
US 6,831,505 · App. 10/455,996
Reference voltage circuit
Inventor:
Hidetoshi Ozoe
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: Jun 6, 2003
Inventor
Hidetoshi Ozoe
Assignee (at issue)
NEC CORPORATION
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.