Granted Patent
Utility
US 6,804,183 · App. 09/800,553
Rotation control method for controlling rotation of media having zones in radial direction and employing ZCAV system, and storage apparatus using the rotation control method
Inventors:
Toru Ikeda, Shigenori Yanagi, Miyozo Maeda
Patented Case
View Patent ↗
Granted: Oct 12, 2004
Filed: Mar 7, 2001
Inventors
Toru Ikeda
Shigenori Yanagi
Miyozo Maeda
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.