Granted Patent
Utility
US 5,694,265 · App. 08/298,052
Disk apparatus for detecting position of head by reading phase servo pattern
Inventors:
Tatsuhiko Kosugi, Susumu Yoshida, Makoto Chiba, Syuichi Hashimoto, Masahide Kanegae
Patented Case
View Patent ↗
Granted: Dec 2, 1997
Filed: Aug 30, 1994
Inventors
Tatsuhiko Kosugi
Susumu Yoshida
Makoto Chiba
Syuichi Hashimoto
Masahide Kanegae
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.