Assignee
TOYO CONTACT LENS CO LTD
16 granted patents·1,081 citations·filing 1975–1987
Top patents by PatentIndex Score
16 records- 0197US4139513ACopolymer for soft contact lens, its preparation and soft contact lens made thereofTOYO CONTACT LENS CO LTD·Filed 1978·Granted Feb 13, 1979·275 cites·12 claims
- 0297US4139692ACopolymer for contact lens, its preparation and contact lens made thereofTOYO CONTACT LENS CO LTD·Filed 1978·Granted Feb 13, 1979·199 cites·11 claims
- 0397US4139548AMethyldi(trimethylsiloxy)sylylpropylglycerol methacrylateTOYO CONTACT LENS CO LTD·Filed 1978·Granted Feb 13, 1979·71 cites·1 claims
- 0496US4235985APolymer for contact lens and contact lens made thereofTOYO CONTACT LENS CO LTD·Filed 1978·Granted Nov 25, 1980·117 cites·11 claims
- 0593US4649184AOxygen permeable soft contact lens materialTOYO CONTACT LENS CO LTD·Filed 1985·Granted Mar 10, 1987·74 cites·5 claims
- 0693US4525563AOxygen permeable soft contact lens compositionTOYO CONTACT LENS CO LTD·Filed 1984·Granted Jun 25, 1985·76 cites·2 claims
- 0788US4259202ACleaning and preservative solution for contact lensesTOYO CONTACT LENS CO LTD·Filed 1979·Granted Mar 31, 1981·50 cites·6 claims
- 0887US4451629AContact lens and process for preparing the sameTOYO CONTACT LENS CO LTD·Filed 1982·Granted May 29, 1984·42 cites·6 claims
- 0979US4500441AContact lens cleaning and storage compositionTOYO CONTACT LENS CO LTD·Filed 1984·Granted Feb 19, 1985·46 cites·4 claims
- 1072US3992563AHigh toughness synthetic high polymers for soft contact lenses and a process for manufacturing the sameTOYO CONTACT LENS CO LTD·Filed 1975·Granted Nov 16, 1976·26 cites·4 claims
- 1164US4547543AWater-absorptive contact lensesTOYO CONTACT LENS CO LTD·Filed 1984·Granted Oct 15, 1985·17 cites·7 claims
- 1257US4738790AMethod for cleaning contact lenses with composition containing amidoamine surfactant, thiourea and reducing agentTOYO CONTACT LENS CO LTD·Filed 1985·Granted Apr 19, 1988·23 cites·4 claims
- 1354US4440662ACleaning composition for contact lensesTOYO CONTACT LENS CO LTD·Filed 1982·Granted Apr 3, 1984·44 cites·13 claims
- 1450US4529747ASoft contact lensesTOYO CONTACT LENS CO LTD·Filed 1984·Granted Jul 16, 1985·9 cites·6 claims
- 1539US4829126AHigh water-absorptive soft contact lensTOYO CONTACT LENS CO LTD·Filed 1987·Granted May 9, 1989·5 cites·5 claims
- 1632US4745158AHighly water-absorptive optical materialTOYO CONTACT LENS CO LTD·Filed 1987·Granted May 17, 1988·7 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when TOYO CONTACT LENS CO LTD files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →