Granted Patent
Utility
US 6,673,477 · App. 10/037,220
Magnetic recording medium with a specific relative speed to a magnetic head
Inventors:
Nobuo Yamazaki, Shinji Saito
Patented Case
View Patent ↗
Granted: Jan 6, 2004
Filed: Nov 9, 2001
Inventors
Nobuo Yamazaki
Shinji Saito
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.