Granted Patent
Utility
US 6,803,117 · App. 10/166,880
Magnetic recording medium with an exchange layer structure including a CoCrPtB ferromagnetic layer
Inventors:
Hideyuki Akimoto, Kenji Sato, Yuki Yoshida, Masaya Suzuki, Akira Kikuchi, Tohru Horie, Naoya Saito, Akiko Honda
Patented Case
View Patent ↗
Granted: Oct 12, 2004
Filed: Jun 11, 2002
Inventors
Hideyuki Akimoto
Kenji Sato
Yuki Yoshida
Masaya Suzuki
Akira Kikuchi
Tohru Horie
Naoya Saito
Akiko Honda
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.