Granted Patent
Utility
US 6,151,183 · App. 09/079,876
Disk drive device and method for controlling the same
Inventors:
Kenja Ogasawara, Fuminori Sai, Shinji Ueno, Isao Yoneda
Patented Case
View Patent ↗
Granted: Nov 21, 2000
Filed: May 15, 1998
Inventors
Kenja Ogasawara
Fuminori Sai
Shinji Ueno
Isao Yoneda
Assignee (at issue)
International Business Machines Corporation
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.