IP Library › Granted Patent US 4,789,591
Granted Patent Utility
US 4,789,591 · App. 07/023,976

Magnetic recording medium

Inventors: Issei Nakamura, Kenji Itozawa
Patented Case View Patent ↗
Granted: Dec 6, 1988 Filed: Mar 10, 1987
Inventors
Issei Nakamura
Kenji Itozawa
Assignee (at issue)
Konishiroku Photo Industry Co., Ltd.

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Quick Facts
Patent No.
US 4,789,591
App. No.
07/023,976
Filed
1987-03-10
Granted
1988-12-06
Kind
A