Granted Patent
Utility
US 4,907,002 · App. 07/224,614
Successive approximation analog to digital converter
Inventor:
Shigeru Kawada
Patented Case
View Patent ↗
Granted: Mar 6, 1990
Filed: Jul 27, 1988
Inventor
Shigeru Kawada
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.