Granted Patent
Utility
US 6,141,173 · App. 09/095,506
Head mechanism control apparatus, disk drive unit, and method of controlling head unload
Inventors:
Nobuyuki Kitazaki, Yoshiro Amano, Kenjo Ogasawara, Shinji Ueno
Patented Case
View Patent ↗
Granted: Oct 31, 2000
Filed: Jun 10, 1998
Inventors
Nobuyuki Kitazaki
Yoshiro Amano
Kenjo Ogasawara
Shinji Ueno
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.