Granted Patent
Utility
US 5,905,603 · App. 08/510,173
Magnetic recording medium magnetic head positioning method, and magnetic recording apparatus
Inventors:
Kenji Ogasawara, Hiroshi Yanagisawa, Koji Kurachi
Patented Case
View Patent ↗
Granted: May 18, 1999
Filed: Aug 2, 1995
Inventors
Kenji Ogasawara
Hiroshi Yanagisawa
Koji Kurachi
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.