Granted Patent
Utility
US 6,239,940 · App. 08/982,868
Disk device and disk device calibrating method
Inventors:
Tatsuro Sasamoto, Tatsuhiko Kosugi, Kazunori Mori, Susumu Yoshida
Patented Case
View Patent ↗
Granted: May 29, 2001
Filed: Dec 2, 1997
Inventors
Tatsuro Sasamoto
Tatsuhiko Kosugi
Kazunori Mori
Susumu Yoshida
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.