IP Library Granted Patent US 4,544,612
Granted Patent Utility
US 4,544,612 · App. 06/532,978

Iron oxide magnetic film and process for fabrication thereof

Inventors: Osamu Ishii, Fumikatsu Yoshimura, Iwao Hatakeyama
Patented Case View Patent ↗
Granted: Oct 1, 1985 Filed: Sep 16, 1983
Inventors
Osamu Ishii
Fumikatsu Yoshimura
Iwao Hatakeyama
Assignee (at issue)
Nippon Telegraph and Telephone Public Corporation

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Quick Facts
Patent No.
US 4,544,612
App. No.
06/532,978
Filed
1983-09-16
Granted
1985-10-01
Kind
A