Granted Patent
Utility
US 6,497,948 · App. 09/821,496
Magnetic recording medium
Inventors:
Kiyomi Ejiri, Masahiko Mori
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: Mar 29, 2001
Inventors
Kiyomi Ejiri
Masahiko Mori
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.