Granted Patent
Utility
US 5,789,090 · App. 08/692,491
Metallic thin-film magnetic recording media
Inventors:
Yoshinobu Okumura, Masahiko Yasui, Tadashi Akita, Makoto Maeda
Patented Case
View Patent ↗
Granted: Aug 4, 1998
Filed: Aug 6, 1996
Inventors
Yoshinobu Okumura
Masahiko Yasui
Tadashi Akita
Makoto Maeda
Assignee (at issue)
Stormedia, Inc.
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.