Granted Patent
Utility
US 5,321,564 · App. 07/875,989
Data head offset detecting circuit in magnetic disk unit and magnetic disk unit using said data head offset detecting circuit
Inventors:
Eisaku Takahashi, Taturo Sasamoto, Chiharu Ohba
Patented Case
View Patent ↗
Granted: Jun 14, 1994
Filed: Apr 28, 1992
Inventors
Eisaku Takahashi
Taturo Sasamoto
Chiharu Ohba
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.