Granted Patent
Utility
US 6,429,695 · App. 09/992,335
Differential comparison circuit
Inventors:
Satoru Miyabe, Yasuhiro Sugimoto
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: Nov 6, 2001
Inventors
Satoru Miyabe
Yasuhiro Sugimoto
Assignees (at issue)
Nippon Precision Circuits Inc.
Yasuhiro Sugimoto
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.