Granted Patent
Utility
US 6,777,932 · App. 09/812,791
Magnetic field sensor
Inventors:
Jun Hara, Tadata Hatanaka
Patented Case
View Patent ↗
Granted: Aug 17, 2004
Filed: Mar 20, 2001
Inventors
Jun Hara
Tadata Hatanaka
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, LTD.
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.