Granted Patent
Utility
US 6,541,960 · App. 09/818,873
Position detector utilizing magnetic sensors and a bias magnetic field generator
Inventor:
Yasuo Nekado
Patented Case
View Patent ↗
Granted: Apr 1, 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.