Granted Patent
Utility
US 6,721,148 · App. 10/198,349
Magnetoresistive sensor, thin-film read/write head, and magnetic recording apparatus using the sensor
Inventors:
Chiaki Ishikawa, Yoshio Suzuki
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Jul 19, 2002
Inventors
Chiaki Ishikawa
Yoshio Suzuki
Assignee (at issue)
HITACHI, 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.