Granted Patent
Utility
US 6,567,246 · App. 09/516,552
Magnetoresistance effect element and method for producing the same, and magnetoresistance effect type head, magnetic recording apparatus, and magnetoresistance effect memory element
Inventors:
Hiroshi Sakakima, Yasunari Sugita, Mitsuo Satomi, Yasuhiro Kawawake, Masayoshi Hiramoto, Nozomu Matsukawa
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Mar 1, 2000
Inventors
Hiroshi Sakakima
Yasunari Sugita
Mitsuo Satomi
Yasuhiro Kawawake
Masayoshi Hiramoto
Nozomu Matsukawa
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.