Granted Patent
Utility
US 6,821,652 · App. 09/588,923
Magnetic recording medium and magnetic storage apparatus
Inventors:
Iwao Okamoto, E. Noel Abarra, Yoshifumi Mizoshita
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Jun 6, 2000
Inventors
Iwao Okamoto
E. Noel Abarra
Yoshifumi Mizoshita
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.