IP Library › Granted Patent US 4,726,666
Granted Patent Utility
US 4,726,666 · App. 06/784,369

Two-group zoom lens

Inventors: Kohei Ota, Toshiko Shimokura
Patented Case View Patent ↗
Granted: Feb 23, 1988 Filed: Oct 4, 1985
Inventors
Kohei Ota
Toshiko Shimokura
Assignee (at issue)
Konishiroku Photo Industry Co., Ltd.

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Quick Facts
Patent No.
US 4,726,666
App. No.
06/784,369
Filed
1985-10-04
Granted
1988-02-23
Kind
A