Granted Patent
Utility
US 6,506,486 · App. 09/655,632
Magnetic recording medium
Inventors:
Hiroaki Araki, Mikio Ohno
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Sep 5, 2000
Inventors
Hiroaki Araki
Mikio Ohno
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.