Granted Patent
Utility
US 6,636,985 · App. 09/591,257
Disk storage device and a method for processing defective sectors in a disk storage device
Inventors:
Hiroyuki Ono, Hideo Asano, Atsushi Kanamaru
Patented Case
View Patent ↗
Granted: Oct 21, 2003
Filed: Jun 9, 2000
Inventors
Hiroyuki Ono
Hideo Asano
Atsushi Kanamaru
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.