Granted Patent
Utility
US 6,686,069 · App. 09/671,053
Magnetic recording medium with improved control layer
Inventors:
Chiaki Okuyama, Naoya Saitoh, Akira Kikuchi
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Sep 27, 2000
Inventors
Chiaki Okuyama
Naoya Saitoh
Akira Kikuchi
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.