Granted Patent
Utility
US 5,872,502 · App. 08/521,850
Magnetoresistance effect film and production process thereof
Inventors:
Jun-Ichi Fujikata, Kazuhiko Hayashi, Hidefumi Yamamoto, Kunihiko Ishihara
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Aug 31, 1995
Inventors
Jun-Ichi Fujikata
Kazuhiko Hayashi
Hidefumi Yamamoto
Kunihiko Ishihara
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.