Granted Patent
Utility
US 5,872,677 · App. 08/735,689
Magnetic head position detecting method and magnetic disk apparatus
Inventors:
Naoyuki Kagami, Akira Tokizono, Yuzo Nakagawa
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Oct 23, 1996
Inventors
Naoyuki Kagami
Akira Tokizono
Yuzo Nakagawa
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.