Granted Patent
Utility
US 6,222,361 · App. 09/204,205
Position detecting device using varying width magneto-resistive effect sensor
Inventors:
Tadahiko Shimano, Masaaki Kusumi
Patented Case
View Patent ↗
Granted: Apr 24, 2001
Filed: Dec 2, 1998
Inventors
Tadahiko Shimano
Masaaki Kusumi
Assignee (at issue)
Sony Precision Technology Inc.
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.