Granted Patent
Utility
US 6,078,484 · App. 09/058,610
Thin film magnetic head
Inventor:
Hiroshi Sakakima
Patented Case
View Patent ↗
Granted: Jun 20, 2000
Filed: Apr 10, 1998
Inventor
Hiroshi Sakakima
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, 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.