Granted Patent
Utility
US 6,633,524 · App. 09/315,453
Method for controlling rotation of an optical disk during a zone change in a data read out operation
Inventor:
Tohru Yoshida
Patented Case
View Patent ↗
Granted: Oct 14, 2003
Filed: May 20, 1999
Inventor
Tohru Yoshida
Assignee (at issue)
SAMSUNG DISPLAY CO., LTD.
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.