Granted Patent
Utility
US 6,741,422 · App. 09/884,574
Method of making magnetic head having narrow pole tip and fine pitch coil
Inventors:
Richard Hsiao, Hugo Alberto Emilio Santini
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Jun 18, 2001
Inventors
Richard Hsiao
Hugo Alberto Emilio Santini
Assignee (at issue)
Hitachi Global Storage Technologies Netherlands B.V.
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.