Granted Patent
Utility
US 6,582,815 · App. 10/081,093
Magnetic recording medium and manufacturing method of the same
Inventors:
Koji Naoe, Kiyomi Ejiri
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Feb 21, 2002
Inventors
Koji Naoe
Kiyomi Ejiri
Assignee (at issue)
Fujitsu Limited
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.