Granted Patent
Utility
US 6,549,003 · App. 09/818,050
Position detector utilizing two magnetic field sensors and a scale
Inventor:
Yasuo Nekado
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Mar 27, 2001
Inventor
Yasuo Nekado
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.