Granted Patent
Utility
US 6,580,264 · App. 09/816,859
Position detector with magnetic core and detection and auxiliary coils
Inventor:
Yasuo Nekado
Patented Case
View Patent ↗
Granted: Jun 17, 2003
Filed: Mar 23, 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.