IP Library › Granted Patent US 4,851,978
Granted Patent Utility
US 4,851,978 · App. 07/135,378

Illumination device using a laser

Inventor: Yutaka Ichihara
Patented Case View Patent ↗
Granted: Jul 25, 1989 Filed: Dec 21, 1987
Inventor
Yutaka Ichihara
Assignee (at issue)
NIKON CORPORATION

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Quick Facts
Patent No.
US 4,851,978
App. No.
07/135,378
Filed
1987-12-21
Granted
1989-07-25
Kind
A