IP Library › Granted Patent US 4,322,147
Granted Patent Utility
US 4,322,147 · App. 06/169,376

Data recording device

Inventors: Ryuzo Motoori, Nobuyoshi Hagyuda
Patented Case View Patent ↗
Granted: Mar 30, 1982 Filed: Jul 16, 1980
Inventors
Ryuzo Motoori
Nobuyoshi Hagyuda
Assignee (at issue)
Nippon Kogaku K.K.

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Quick Facts
Patent No.
US 4,322,147
App. No.
06/169,376
Filed
1980-07-16
Granted
1982-03-30
Kind
A