Granted Patent
Utility
US 6,335,641 · App. 09/476,327
Automatic input threshold selector
Inventor:
Takaaki Tougou
Patented Case
View Patent ↗
Granted: Jan 1, 2002
Filed: Jan 3, 2000
Inventor
Takaaki Tougou
Assignees (at issue)
Mitsubishi Electric System LSI Design Corporation
MITSUBISHI ELECTRIC 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.