Assignee
NIPPON CONTACT LENSE
4 granted patents·182 citations·filing 1977–1986
Top patents by PatentIndex Score
4 records- 0188US4602074AContact lens materialNIPPON CONTACT LENSE·Filed 1984·Granted Jul 22, 1986·65 cites·5 claims
- 0282US4743667AContact lens materialNIPPON CONTACT LENSE·Filed 1986·Granted May 10, 1988·47 cites·9 claims
- 0380US4285890AMethod for manufacturing silicone contact lensesNIPPON CONTACT LENSE·Filed 1978·Granted Aug 25, 1981·36 cites·1 claims
- 0480US4138086AMold for manufacturing contact lensesNIPPON CONTACT LENSE·Filed 1977·Granted Feb 6, 1979·34 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →