Granted Patent
Utility
US 5,891,031 · App. 08/718,869
Biomedical magnetic field measuring apparatus having different types of pickup coils arranged at the same position and including crosstalk correction
Inventor:
Shigeharu Ohyu
Patented Case
View Patent ↗
Granted: Apr 6, 1999
Filed: Sep 24, 1996
Inventor
Shigeharu Ohyu
Assignee (at issue)
Kabushiki Kaisha Toshiba
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.