Granted Patent
Utility
US 6,456,468 · App. 09/593,509
Magnetoresistance effect element, and magnetoresistance effect sensor and magnetic information recording and playback system using same
Inventor:
Kazuhiko Hayashi
Patented Case
View Patent ↗
Granted: Sep 24, 2002
Filed: Jun 14, 2000
Inventor
Kazuhiko Hayashi
Assignee (at issue)
NEC CORPORATION
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.