Inventor · disambiguated record
Randolph E. Campbell
Also filed as: CAMPBELL RANDOLPH E
41 granted patents·11 pending applications·890 citations·filing 1983–2024
98Inventor score
Top patents by PatentIndex Score
52 records- 0199US8277830B2Posterior segment drug deliveryDE JUAN JR EUGENE·Filed 2011·Granted Oct 2, 2012·89 cites·29 claims
- 0298US8795712B2Posterior segment drug deliveryFORSIGHT VISION4 INC·Filed 2013·Granted Aug 5, 2014·46 cites·22 claims
- 0398US8399006B2Posterior segment drug deliveryDE JUAN JR EUGENE·Filed 2010·Granted Mar 19, 2013·103 cites·27 claims
- 0498US8298578B2Posterior segment drug deliveryDE JUAN JR EUGENE·Filed 2011·Granted Oct 30, 2012·45 cites·26 claims
- 0597US9066779B2Implantable therapeutic deviceFORSIGHT VISION4 INC·Filed 2014·Granted Jun 30, 2015·24 cites·11 claims
- 0697US8808727B2Posterior segment drug deliveryFORSIGHT VISION4 INC·Filed 2013·Granted Aug 19, 2014·45 cites·7 claims
- 0797US4580816AQuick disconnect tube couplingSQUIBB & SONS INC·Filed 1985·Granted Apr 8, 1986·198 cites·5 claims
- 0896US11065151B2Therapeutic agent formulations for implanted devicesFORSIGHT VISION4 INC·Filed 2020·Granted Jul 20, 2021·3 cites·14 claims
- 0996US8623395B2Implantable therapeutic deviceDE JUAN JR EUGENE·Filed 2011·Granted Jan 7, 2014·68 cites·21 claims
- 1095US11642310B2Posterior segment drug deliveryFORSIGHT VISION4 INC·Filed 2020·Granted May 9, 2023·3 cites·26 claims
- 1195US9033911B2Injector apparatus and method for drug deliveryDE JUAN JR EUGENE·Filed 2011·Granted May 19, 2015·45 cites·16 claims
- 1294US9851351B2Posterior segment drug deliveryFORSIGHT VISION4 INC·Filed 2015·Granted Dec 26, 2017·10 cites·15 claims
- 1394US8905963B2Injector apparatus and method for drug deliveryFORSIGHT VISION4 INC·Filed 2013·Granted Dec 9, 2014·37 cites·18 claims
- 1491US11679027B2Combined drug delivery methods and apparatusFORSIGHT VISION4 INC·Filed 2020·Granted Jun 20, 2023·2 cites·19 claims
- 1591US10656152B2Posterior segment drug deliveryFORSIGHT VISION4 INC·Filed 2017·Granted May 19, 2020·5 cites·29 claims
- 1690US10813788B2Implantable therapeutic deviceFORSIGHT VISION4 INC·Filed 2015·Granted Oct 27, 2020·4 cites·19 claims
- 1790US9861521B2Injector apparatus and method for drug deliveryFORSIGHT VISION4 INC·Filed 2015·Granted Jan 9, 2018·7 cites·20 claims
- 1889US11419759B2Fluid exchange apparatus for expandable port delivery system and methods of useFORSIGHT VISION4 INC·Filed 2020·Granted Aug 23, 2022·2 cites·17 claims
- 1988US10874548B2Therapeutic agent formulations for implanted devicesFORSIGHT VISION4 INC·Filed 2017·Granted Dec 29, 2020·2 cites·16 claims
- 2087US10166142B2Small molecule delivery with implantable therapeutic deviceDE JUAN JR EUGENE·Filed 2012·Granted Jan 1, 2019·5 cites·5 claims
- 2187US2025064634A1Injector apparatus and method for drug deliveryFORSIGHT VISION4 INC·Filed 2024·Application pending·0 cites
- 2287US2023338282A1Posterior segment drug deliveryFORSIGHT VISION4 INC·Filed 2023·Application pending·0 cites
- 2386US10500091B2Expandable drug delivery devices and methods of useFORSIGHT VISION4 INC·Filed 2015·Granted Dec 10, 2019·5 cites·46 claims
- 2486US10398593B2Ophthalmic implant for delivering therapeutic substancesFORSIGHT VISION4 INC·Filed 2016·Granted Sep 3, 2019·5 cites·33 claims
- 2586US2025213388A1Ophthalmic implant for delivering therapeutic substancesFORSIGHT VISION4 INC·Filed 2024·Application pending·0 cites
- 2684US10265215B2Injector apparatus and method for drug deliveryFORSIGHT VISION4 INC·Filed 2017·Granted Apr 23, 2019·3 cites·23 claims
- 2783US11786396B2Injector apparatus and method for drug deliveryFORSIGHT VISION4 INC·Filed 2019·Granted Oct 17, 2023·3 cites·38 claims
- 2881US12115102B2Ophthalmic implant for delivering therapeutic substancesFORSIGHT VISION4 INC·Filed 2022·Granted Oct 15, 2024·0 cites·20 claims
- 2981US10617557B2Combined drug delivery methods and apparatusDE JUAN EUGENE·Filed 2011·Granted Apr 14, 2020·4 cites·20 claims
- 3081US4490145AOstomy pouch with deodorizing filterSQUIBB & SONS INC·Filed 1983·Granted Dec 25, 1984·101 cites·16 claims
- 3180US9417238B2Posterior segment drug deliveryFORSIGHT VISION4 INC·Filed 2013·Granted Aug 16, 2016·2 cites·18 claims
- 3279US9883968B2Fluid exchange apparatus and methodsDOUD DARREN·Filed 2012·Granted Feb 6, 2018·11 cites·20 claims
- 3378US11110001B2Expandable drug delivery devices and methods of useFORSIGHT VISION4 INC·Filed 2019·Granted Sep 7, 2021·2 cites·22 claims
- 3476US11432959B2Porous structures for extended release drug delivery devicesFORSIGHT VISION4 INC·Filed 2016·Granted Sep 6, 2022·2 cites·13 claims
- 3576US9492315B2Implantable therapeutic deviceDE JUAN JR EUGENE·Filed 2011·Granted Nov 15, 2016·3 cites·17 claims
- 3676US2025127658A1Implantable ocular drug delivery devicesFORSIGHT VISION4 INC·Filed 2024·Application pending·0 cites
- 3774US12102560B2Implantable ocular drug delivery devicesFORSIGHT VISION4 INC·Filed 2023·Granted Oct 1, 2024·0 cites·31 claims
- 3873US12251336B2Expandable drug delivery devices and methods of useFORSIGHT VISION4 INC·Filed 2021·Granted Mar 18, 2025·0 cites·25 claims
- 3970US10603209B2Insertion and removal methods and apparatus for therapeutic devicesFORSIGHT VISION4 INC·Filed 2018·Granted Mar 31, 2020·1 cites·22 claims
- 4068US10010448B2Insertion and removal methods and apparatus for therapeutic devicesFORSIGHT VISION4 INC·Filed 2013·Granted Jul 3, 2018·3 cites·21 claims
- 4168US9526654B2Ophthalmic implant for delivering therapeutic substancesFORSIGHT VISION4 INC·Filed 2014·Granted Dec 27, 2016·2 cites·24 claims
- 4266US12201556B2Porous structures for extended release drug delivery devicesFORSIGHT VISION4 INC·Filed 2022·Granted Jan 21, 2025·0 cites·12 claims
- 4366US2021196510A1Implantable therapeutic deviceFORSIGHT VISION4 INC·Filed 2020·Application pending·0 cites
- 4464US11510810B2Ophthalmic implant for delivering therapeutic substancesFORSIGHT VISION4 INC·Filed 2019·Granted Nov 29, 2022·0 cites·21 claims
- 4564US2023000676A1Fluid exchange apparatus for expandable port delivery system and methods of useFORSIGHT VISION4 INC·Filed 2022·Application pending·0 cites
- 4661US2014031769A1Therapeutic agent formulations for implanted devicesDE JUAN JR EUGENE·Filed 2011·Application pending·0 cites
- 4756US2016302965A1Implantable therapeutic devicesFORSIGHT VISION4 INC·Filed 2014·Application pending·0 cites
- 4854US11617680B2Implantable ocular drug delivery devicesFORSIGHT VISION4 INC·Filed 2017·Granted Apr 4, 2023·0 cites·31 claims
- 4954US10653554B2Fluid exchange apparatus and methodsFORSIGHT VISION4 INC·Filed 2018·Granted May 19, 2020·0 cites·20 claims
- 5048US2014033800A1Methods and apparatus to determine diffusion properties of porous structures for drug deliveryFARINAS KATHLEEN COGAN·Filed 2011·Application pending·0 cites
Showing the top 50 of 52 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →