Granted Patent
Utility
US 6,589,669 · App. 09/791,949
Magnetic recording medium and manufacturing method for the same
Inventors:
Hiroyuki Uwazumi, Tadaaki Oikawa
Patented Case
View Patent ↗
Granted: Jul 8, 2003
Filed: Feb 23, 2001
Inventors
Hiroyuki Uwazumi
Tadaaki Oikawa
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.