Inventor · disambiguated record
Dennis L. Gierhart
Also filed as: GIERHART DENNIS L
36 granted patents·9 pending applications·589 citations·filing 1982–2024
98Inventor score
Files withZEAVISION LLC27GIERHART DENNIS L8APPLIED FOOD BIOTECH INC6CPC INTERNATIONAL INC2RALSTON PURINA CO2
Top patents by PatentIndex Score
45 records- 0196US11173133B2Zeaxanthin formulations with additional ocular-active nutrients, for protecting eye health and treating eye disordersZEAVISION LLC·Filed 2021·Granted Nov 16, 2021·2 cites·19 claims
- 0295US5308759AProduction of zeaxanthin and zeaxanthin-containing compositionsAPPLIED FOOD BIOTECH INC·Filed 1992·Granted May 3, 1994·70 cites·19 claims
- 0394USRE38009EZeaxanthin formulations for human ingestionZEAVISION LLC·Filed 2000·Granted Feb 25, 2003·63 cites·33 claims
- 0493US5427783AZeaxanthin-containing compositions produced by flavobacterium multivorumAPPLIED FOOD BIOTECH INC·Filed 1994·Granted Jun 27, 1995·54 cites·8 claims
- 0592US10307384B2Zeaxanthin formulations with additional ocular-active nutrients, for protecting eye health and treating eye disordersZEAVISION LLC·Filed 2018·Granted Jun 4, 2019·5 cites·24 claims
- 0690US11045431B1Zeaxanthin formulations with additional ocular-active nutrients,for protecting eye health and treating eye disordersZEAVISION LLC·Filed 2021·Granted Jun 29, 2021·1 cites·20 claims
- 0790US2025029735A1Diagnostic, Prescriptive, And Data-Gathering System And Method For Macular Pigment Deficits And Other Eye DisordersZEAVISION LLC·Filed 2024·Application pending·0 cites
- 0889US11594336B2Diagnostic, prescriptive, and data-gathering system and method for macular pigment deficits and other eye disorderZEAVISION LLC·Filed 2020·Granted Feb 28, 2023·2 cites·20 claims
- 0989US9445715B2Diagnostic, prescriptive, and data-gathering system and method for macular pigment deficits and other eye disordersZEAVISION LLC·Filed 2015·Granted Sep 20, 2016·7 cites·20 claims
- 1089US8408702B2Diagnostic, prescriptive, and data-gathering system and method for macular pigment deficits and other eye disordersGIERHART DENNIS L·Filed 2011·Granted Apr 2, 2013·14 cites·24 claims
- 1187US10842757B2Zeaxanthin formulations with additional ocular-active nutrients, for protecting eye health and treating eye disordersZEAVISION LLC·Filed 2019·Granted Nov 24, 2020·2 cites·14 claims
- 1287US2023000788A1Zeaxanthin Formulations With Additional Ocular-Active Nutrients, For Protecting Eye Health And Treating Eye DisordersZEAVISION LLC·Filed 2022·Application pending·0 cites
- 1385US12106861B2Diagnostic, prescriptive, and data-gathering system and method for macular pigment deficits and other eye disordersZEAVISION LLC·Filed 2023·Granted Oct 1, 2024·0 cites·26 claims
- 1485US9980922B2Zeaxanthin formulations with additional ocular-active nutrients, for protecting eye health and treating eye disordersZEAVISION LLC·Filed 2016·Granted May 29, 2018·2 cites·12 claims
- 1585US4485173APreparation of fats and oilsCPC INTERNATIONAL INC·Filed 1982·Granted Nov 27, 1984·29 cites·12 claims
- 1685US2023000787A1Zeaxanthin Formulations With Additional Ocular-Active Nutrients, For Protecting Eye Health And Treating Eye DisordersZEAVISION LLC·Filed 2022·Application pending·0 cites
- 1784US9474724B2Zeaxanthin formulations with additional ocular-active nutrients, for protecting eye health and treating eye disordersZEAVISION LLC·Filed 2015·Granted Oct 25, 2016·2 cites·14 claims
- 1884US9095279B2Diagnostic, prescriptive, and data-gathering system and method for macular pigment deficits and other eye disordersZEAVISION LLC·Filed 2013·Granted Aug 4, 2015·5 cites·20 claims
- 1984US5854015AMethod of making pure 3R-3'R stereoisomer of zeaxanthin for human ingestionAPPLIED FOOD BIOTECH INC·Filed 1995·Granted Dec 29, 1998·94 cites·13 claims
- 2083US10016126B2Diagnostic, prescriptive, and data-gathering system and method for macular pigment deficits and other eye disordersZEAVISION LLC·Filed 2016·Granted Jul 10, 2018·2 cites·19 claims
- 2183US2022211639A1Zeaxanthin Formulations With Additional Ocular-Active Nutrients, For Protecting Eye Health And Treating Eye DisordersZEAVISION LLC·Filed 2022·Application pending·0 cites
- 2282US10548471B2Diagnostic, prescriptive, and data-gathering system and method for macular pigment deficits and other eye disordersZEAVISION LLC·Filed 2018·Granted Feb 4, 2020·2 cites·25 claims
- 2381US8632179B2Diagnostic, prescriptive, and data-gathering system and method for macular pigment deficits and other eye disordersZEAVISION LLC·Filed 2013·Granted Jan 21, 2014·8 cites·23 claims
- 2481US4485172AMultistage process for the preparation of fats and oilsCPC INTERNATIONAL INC·Filed 1982·Granted Nov 27, 1984·24 cites·13 claims
- 2577US5827652AZeaxanthin formulations for human ingestionAPPLIED FOOD BIOTECH INC·Filed 1995·Granted Oct 27, 1998·45 cites·18 claims
- 2677US2021069124A1Zeaxanthin Formulations With Additional Ocular-Active Nutrients, For Protecting Eye Health And Treating Eye DisordersZEAVISION LLC·Filed 2020·Application pending·0 cites
- 2776US5747544AMethod of using pure 3R-3'R stereoisomer of zeaxanthin to treat or prevent retinal degeneration in humansAPPLIED FOOD BIOTECH INC·Filed 1995·Granted May 5, 1998·49 cites·14 claims
- 2875US5186964AFlavor composition for pet foodAPPLIED FOOD BIOTECH INC·Filed 1990·Granted Feb 16, 1993·61 cites·3 claims
- 2968US7942526B2Diagnostic, prescriptive, and data-gathering system and method for macular pigment deficits and other eye disordersZEAVISION LLC·Filed 2007·Granted May 17, 2011·3 cites·27 claims
- 3068US7691406B2Zeaxanthin formulations for human ingestionZEAVISION LLC·Filed 2002·Granted Apr 6, 2010·2 cites·54 claims
- 3167US9192586B2Zeaxanthin formulations with additional ocular-active nutrients, for protecting eye health and treating eye disordersGIERHART DENNIS L·Filed 2003·Granted Nov 24, 2015·1 cites·8 claims
- 3264US8876293B2Macular pigment measurement device with data quality indexing featureZEAVISION LLC·Filed 2013·Granted Nov 4, 2014·4 cites·18 claims
- 3363US9192587B2Protection against sunburn and skin problems with topical and orally-ingested dosages of zeaxanthinZEAVISION LLC·Filed 2014·Granted Nov 24, 2015·0 cites·19 claims
- 3461US8715627B2Protection against sunburn and skin problems with topical and orally-ingested dosages of zeaxanthinZEAVISION LLC·Filed 2013·Granted May 6, 2014·0 cites·26 claims
- 3559US8501163B2Protection against sunburn and skin problems with topical and orally-ingested dosages of zeaxanthinGIERHART DENNIS L·Filed 2012·Granted Aug 6, 2013·0 cites·17 claims
- 3658US8481009B2Protection against sunburn and skin problems with orally-ingested high-dosage zeaxanthinGIERHART DENNIS L·Filed 2011·Granted Jul 9, 2013·0 cites·18 claims
- 3757US9682024B2Protection against sunburn and skin problems with topical and orally-ingested dosages of zeaxanthinZEAVISION LLC·Filed 2015·Granted Jun 20, 2017·0 cites·15 claims
- 3854US8088363B2Protection against sunburn and skin problems with orally-ingested high-dosage zeaxanthinGIERHART DENNIS L·Filed 2003·Granted Jan 3, 2012·0 cites·9 claims
- 3952US2006089411A1Treatment of Stargardt's disease and other lipofuscin disorders with combined retinaldehyde inhibitor and zeaxanthinGIERHART DENNIS L·Filed 2005·Application pending·0 cites
- 4047US4731248AProduction of palatability enhancers from the autolysis of filamentous fungiRALSTON PURINA CO·Filed 1986·Granted Mar 15, 1988·16 cites·41 claims
- 4147US4642236AProcess for reducing the level of objectionable flavors in vegetable protein by microorganism contactRALSTON PURINA CO·Filed 1985·Granted Feb 10, 1987·20 cites·26 claims
- 4247US2006039954A1Ocular formulations with neuroprotectants to reduce Alzheimer and neurotoxic risks created by large zinc dosagesGIERHART DENNIS L·Filed 2005·Application pending·0 cites
- 4347US2007082066A1Use of zeaxanthin to reduce light hyper-sensitivity, photophobia, and medical conditions relating to light hyper-sensitivityGIERHART DENNIS L·Filed 2004·Application pending·0 cites
- 4446US2015055095A1Macular Pigment Measurement Device with Data Quality Indexing FeatureZEAVISION LLC·Filed 2014·Application pending·0 cites
- 4542US7941211B2Preloading with macular pigment to improve photodynamic treatment of retinal vascular disordersZEAVISION LLC·Filed 2004·Granted May 10, 2011·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →