Granted Patent
Utility
US 6,064,541 · App. 08/848,138
Servo pattern writing method for magnetic disk drives, and magnetic disk drive adopting the method
Inventors:
Tatsuro Sasamoto, Isamu Tomita, Keiji Aruga
Patented Case
View Patent ↗
Granted: May 16, 2000
Filed: Apr 28, 1997
Inventors
Tatsuro Sasamoto
Isamu Tomita
Keiji Aruga
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.