Granted Patent
Utility
US 6,706,318 · App. 10/189,197
Method of manufacturing a perpendicular magnetic recording medium
Inventors:
Shunji Takenoiri, Yasushi Sakai
Patented Case
View Patent ↗
Granted: Mar 16, 2004
Filed: Jul 5, 2002
Inventors
Shunji Takenoiri
Yasushi Sakai
Assignee (at issue)
FUJI ELECTRIC CO., 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.