Granted Patent
Utility
US 5,945,821 · App. 09/054,414
Reference voltage generating circuit
Inventors:
Yasuhiro Sakurai, Hiroki Nishi
Patented Case
View Patent ↗
Granted: Aug 31, 1999
Filed: Apr 3, 1998
Inventors
Yasuhiro Sakurai
Hiroki Nishi
Assignee (at issue)
CITIZEN WATCH CO., 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.