Granted Patent
Utility
US 6,798,620 · App. 10/441,794
Magneto-resistive element, magnetic head, and magnetic recording and reproduction apparatus
Inventors:
Masayoshi Hiramoto, Nozomu Matsukawa, Akihiro Odagawa, Hideaki Adachi, Kenji Iijima, Hiroshi Sakakima, Yasunari Sugita
Patented Case
View Patent ↗
Granted: Sep 28, 2004
Filed: May 20, 2003
Inventors
Masayoshi Hiramoto
Nozomu Matsukawa
Akihiro Odagawa
Hideaki Adachi
Kenji Iijima
Hiroshi Sakakima
Yasunari Sugita
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, 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.