Granted Patent
Utility
US 6,055,217 · App. 08/864,465
Seek control method in optical storage device
Inventor:
Shigenori Yanagi
Patented Case
View Patent ↗
Granted: Apr 25, 2000
Filed: May 28, 1997
Inventor
Shigenori Yanagi
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.