Assignee
HOYA LENS CORP
14 granted patents·405 citations·filing 1976–1983
Top patents by PatentIndex Score
14 records- 0196US4540761AOxygen-permeable hard contact lensHOYA LENS CORP·Filed 1983·Granted Sep 10, 1985·124 cites·1 claims
- 0294US4306780AHighly refractive copolymer of an ethylinically unsaturated alkylene oxide of bis-phenol-A and an ethylinically unsaturated aromatic compound for lens and a lens prepared therefromHOYA LENS CORP·Filed 1979·Granted Dec 22, 1981·61 cites·10 claims
- 0380US4573121AMethod for determining optimum thickness of ophthalmic lensHOYA LENS CORP·Filed 1983·Granted Feb 25, 1986·33 cites·4 claims
- 0480US4528351APlastic lensHOYA LENS CORP·Filed 1982·Granted Jul 9, 1985·38 cites·3 claims
- 0577US4393184ALens having a high refractive index with a low dispersionHOYA LENS CORP·Filed 1981·Granted Jul 12, 1983·25 cites·2 claims
- 0673US4729651AProgressive power ophthalmic lensHOYA LENS CORP·Filed 1982·Granted Mar 8, 1988·22 cites·3 claims
- 0769US4076863AProcess for cutting and edging chemically pre-strengthened finished uncut lens blanks without loss of impact resistanceHOYA LENS CORP·Filed 1976·Granted Feb 28, 1978·29 cites·8 claims
- 0864US4143017AProcess of producing soft contact lensesHOYA LENS CORP·Filed 1977·Granted Mar 6, 1979·22 cites·31 claims
- 0958US4163622ADrilling machineHOYA LENS CORP·Filed 1977·Granted Aug 7, 1979·18 cites·5 claims
- 1053US4373076ATerpolymer with a high refractive indexHOYA LENS CORP·Filed 1981·Granted Feb 8, 1983·12 cites·1 claims
- 1150US4203666ALensmeterHOYA LENS CORP·Filed 1977·Granted May 20, 1980·11 cites·18 claims
- 1231US4537480AMotor-driven subjective phorometerHOYA LENS CORP·Filed 1983·Granted Aug 27, 1985·7 cites·1 claims
- 1323US4350877ACalculating rule useful for making eyeglassesHOYA LENS CORP·Filed 1980·Granted Sep 21, 1982·2 cites·2 claims
- 1423US4105809AProcess for demisting transparent materialsHOYA LENS CORP·Filed 1977·Granted Aug 8, 1978·1 cites·16 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →