Assignee
TOKINA OPTICAL
3 granted patents·60 citations·filing 1977–1986
Top patents by PatentIndex Score
3 records- 0178US4072405APrism system for use in tricolor separationTOKINA OPTICAL·Filed 1977·Granted Feb 7, 1978·48 cites·4 claims
- 0232US4306762AReflecting apparatus in an optical systemTOKINA OPTICAL·Filed 1980·Granted Dec 22, 1981·7 cites·4 claims
- 0331US4729643ATelephoto zoom lens system for cameraTOKINA OPTICAL·Filed 1986·Granted Mar 8, 1988·5 cites·1 claims
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