Granted Patent
Utility
US 6,288,871 · App. 09/478,515
Thin film magnetic head and magnetic disk apparatus using the same
Inventor:
Masanori Tanabe
Patented Case
View Patent ↗
Granted: Sep 11, 2001
Filed: Jan 6, 2000
Inventor
Masanori Tanabe
Assignee (at issue)
HITACHI, LTD.
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.