Granted Patent
Utility
US 5,173,757 · App. 07/697,159
Charge detection circuit for use in charge transfer device
Inventor:
Kazuo Miwada
Patented Case
View Patent ↗
Granted: Dec 22, 1992
Filed: May 8, 1991
Inventor
Kazuo Miwada
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.