Assignee
VOLK OPTICAL INC
20 granted patents·1 pending application·290 citations·filing 1995–2015
Top patents by PatentIndex Score
21 records- 0170US7338170B2Lens systems for vitreoretinal surgeryVOLK OPTICAL INC·Filed 2005·Granted Mar 4, 2008·15 cites·20 claims
- 0268US7946706B2Lens assembly for vitreoretinal surgeryVOLK OPTICAL INC·Filed 2006·Granted May 24, 2011·4 cites·13 claims
- 0367US5745212AIndirect ophthalmoscopy device with reinverting lens system with the real inverted image or conjugate pupil formed at least partially within a lens of the reinverting lens systemVOLK OPTICAL INC·Filed 1996·Granted Apr 28, 1998·18 cites·17 claims
- 0465US5857475AOptical component cleaning apparatusVOLK OPTICAL INC·Filed 1997·Granted Jan 12, 1999·28 cites·27 claims
- 0563US5805269AHigh magnification indirect ophthalmoscopy lens deviceVOLK OPTICAL INC·Filed 1996·Granted Sep 8, 1998·26 cites·22 claims
- 0662US7499219B2Optimized lens for indirect ophthalmoscopyVOLK OPTICAL INC·Filed 2006·Granted Mar 3, 2009·3 cites·18 claims
- 0761US7244026B1Sterilizable ophthalmoscopy lens systemVOLK OPTICAL INC·Filed 2003·Granted Jul 17, 2007·37 cites·5 claims
- 0857USD523881SOphthalmic lensVOLK OPTICAL INC·Filed 2005·Granted Jun 27, 2006·13 cites·1 claims
- 0957USD434498SIndirect ophthalmoscopy lens two piece retaining ringVOLK OPTICAL INC·Filed 1999·Granted Nov 28, 2000·9 cites·1 claims
- 1049US7903331B2Flexible positioner and ophthalmic microscope incorporating the sameVOLK OPTICAL INC·Filed 2007·Granted Mar 8, 2011·0 cites·20 claims
- 1148US6164779AOphthalmoscopic viewing systemVOLK OPTICAL INC·Filed 1997·Granted Dec 26, 2000·42 cites·39 claims
- 1247USD434851SIndirect ophthalmoscopy lens straight retaining ringVOLK OPTICAL INC·Filed 1999·Granted Dec 5, 2000·6 cites·1 claims
- 1344US2013250243A1Retinal imaging device including position-sensitive optical tracking sensorVOLK OPTICAL INC·Filed 2013·Application pending·0 cites
- 1441US7940479B2Positioners and microscopes incorporating the sameVOLK OPTICAL INC·Filed 2008·Granted May 10, 2011·0 cites·17 claims
- 1541USD438621SIndirect ophthalmoscopy lens retaining ringVOLK OPTICAL INC·Filed 1998·Granted Mar 6, 2001·4 cites·1 claims
- 1640US5886812AMicroscope attachmentVOLK OPTICAL INC·Filed 1997·Granted Mar 23, 1999·23 cites·17 claims
- 1738US7909464B2Diagnostic ophthalmic lens using extra-low dispersion (ED) materialVOLK OPTICAL INC·Filed 2007·Granted Mar 22, 2011·0 cites·18 claims
- 1837US5963301ALense arrangement for vitreoretinal surgeryVOLK OPTICAL INC·Filed 1998·Granted Oct 5, 1999·36 cites·24 claims
- 1936US5757464AIndirect ophthalmoscopy contact lens device with compound contact lens elementVOLK OPTICAL INC·Filed 1996·Granted May 26, 1998·18 cites·18 claims
- 2032USRE37298EIndirect ophthalmoscopy lens retaining ringVOLK OPTICAL INC·Filed 1995·Granted Jul 31, 2001·8 cites·0 claims
- 2131US9636012B2Ophthalmic lens assemblies and methods of assembly and useVOLK OPTICAL INC·Filed 2015·Granted May 2, 2017·0 cites·24 claims
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