Granted Patent
Utility
US 6,623,849 · App. 09/866,091
Magnetic recording medium
Inventors:
Katsuhiko Meguro, Hiroshi Hashimoto
Patented Case
View Patent ↗
Granted: Sep 23, 2003
Filed: May 25, 2001
Inventors
Katsuhiko Meguro
Hiroshi Hashimoto
Assignee (at issue)
Fujitsu Limited
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.