IP Library › Granted Patent US 4,476,233
Granted Patent Utility
US 4,476,233 · App. 06/531,410

Phosphate optical glass

Inventor: Hiroyuki Kodama
Patented Case View Patent ↗
Granted: Oct 9, 1984 Filed: Sep 12, 1983
Inventor
Hiroyuki Kodama
Assignee (at issue)
Nippon Kogaku K.K.

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Quick Facts
Patent No.
US 4,476,233
App. No.
06/531,410
Filed
1983-09-12
Granted
1984-10-09
Kind
A