Granted Patent
Utility
US 6,730,403 · App. 09/479,285
Magnetic recording medium and method for manufacturing the same
Inventors:
Shinji Shirai, Youichi Tei, Takahiro Tokumoto
Patented Case
View Patent ↗
Granted: May 4, 2004
Filed: Jan 6, 2000
Inventors
Shinji Shirai
Youichi Tei
Takahiro Tokumoto
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.