Granted Patent
Utility
US 6,535,348 · App. 09/413,649
Servo control method and information storage device
Inventors:
Yoshiyuki Kagami, Tatsuhiko Kosugi
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Oct 6, 1999
Inventors
Yoshiyuki Kagami
Tatsuhiko Kosugi
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.