Granted Patent
Utility
US 6,418,088 · App. 09/367,934
Apparatus and method for reproducing information from a magneto optical recording medium by the magnetic domain magnification method
Inventors:
Naoyuki Takagi, Atsushi Yamaguchi
Patented Case
View Patent ↗
Granted: Jul 9, 2002
Filed: Aug 24, 1999
Inventors
Naoyuki Takagi
Atsushi Yamaguchi
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.