Granted Patent
Utility
US 6,370,089 · App. 09/208,853
Magneto-optical recording medium simplifying transfer of magnetic domain
Inventors:
Atsushi Yamaguchi, Kenichiro Mitani
Patented Case
View Patent ↗
Granted: Apr 9, 2002
Filed: Dec 10, 1998
Inventors
Atsushi Yamaguchi
Kenichiro Mitani
Assignee (at issue)
SANYO ELECTRIC CO., 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.