Granted Patent
Utility
US 6,613,459 · App. 09/617,357
Master magnetic information carrier, fabrication method thereof, and a method for manufacturing a magnetic recording medium
Inventors:
Akira Saito, Kazuo Nimura, Akihiro Otsuki
Patented Case
View Patent ↗
Granted: Sep 2, 2003
Filed: Jul 17, 2000
Inventors
Akira Saito
Kazuo Nimura
Akihiro Otsuki
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.