Granted Patent
Utility
US 6,492,035 · App. 09/530,497
Magneto-optical recording medium with intermediate layer having a controlled saturation magnetization
Inventors:
Atsushi Yamaguchi, Naoyuki Takagi, Kenichiro Mitani, Hitoshi Noguchi
Patented Case
View Patent ↗
Granted: Dec 10, 2002
Filed: May 1, 2000
Inventors
Atsushi Yamaguchi
Naoyuki Takagi
Kenichiro Mitani
Hitoshi Noguchi
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.