Granted Patent
Utility
US 6,072,670 · App. 09/041,000
Thin film magnetic head having a pair of magnetic poles formed on substrate through a magnetic gap layer
Inventors:
Shinji Furuichi, Kuniaki Yoshimura
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: Mar 19, 1998
Inventors
Shinji Furuichi
Kuniaki Yoshimura
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.