Granted Patent
Utility
US 6,741,433 · App. 09/666,885
Magneto-resistive head and magnetic tunnel junction magneto-resistive head having plural ferromagnetic layers and an anitferromagnetically coupling layer
Inventor:
Koichi Nishioka
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Sep 20, 2000
Inventor
Koichi Nishioka
Assignee (at issue)
Hitachi Global Storage Technologies Japan, 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.