Inventor · disambiguated record
Henry M. Donzis
Also filed as: DONZIS HENRY · DONZIS HENRY M · DONZIS HENRY MICHAEL
63 granted patents·5 pending applications·844 citations·filing 1979–2024
99Inventor score
Top patents by PatentIndex Score
68 records- 0198US8095666B2Internet provider subscriber communications systemSCHMIDT JONATHAN E·Filed 2007·Granted Jan 10, 2012·260 cites·41 claims
- 0295US11743205B2Internet provider subscriber communications systemPERFTECH INC·Filed 2022·Granted Aug 29, 2023·2 cites·20 claims
- 0395US11580185B2Method and apparatus of processing invalid user input search informationPERFTECH INC·Filed 2021·Granted Feb 14, 2023·3 cites·20 claims
- 0494US11336586B2Internet provider subscriber communications systemPERFTECH INC·Filed 2020·Granted May 17, 2022·3 cites·20 claims
- 0593US10225210B2Internet provider subscriber communications systemPERFTECH INC·Filed 2016·Granted Mar 5, 2019·7 cites·20 claims
- 0691US12086201B2Method and apparatus of processing invalid user input search informationPERFTECH INC·Filed 2023·Granted Sep 10, 2024·1 cites·20 claims
- 0790US10834157B2Internet provider subscriber communications systemPERFTECH INC·Filed 2019·Granted Nov 10, 2020·4 cites·20 claims
- 0890US10616131B2Internet provider subscriber communications systemPERFTECH INC·Filed 2019·Granted Apr 7, 2020·4 cites·20 claims
- 0990US8161284B1System, method and computer readable medium for message authentication to subscribers of an internet service providerSCHMIDT JONATHAN E·Filed 2007·Granted Apr 17, 2012·10 cites·25 claims
- 1089US10979484B2Method and system for providing watermark to subscribersPERFTECH INC·Filed 2020·Granted Apr 13, 2021·2 cites·17 claims
- 1189US9307041B2Internet connection user communications systemPERFTECH INC·Filed 2014·Granted Apr 5, 2016·7 cites·43 claims
- 1288US10915596B2Method and apparatus of processing invalid user input search informationPERFTECH INC·Filed 2017·Granted Feb 9, 2021·4 cites·20 claims
- 1388US5991807ASystem for controlling users access to a distributive network in accordance with constraints present in common access distributive network interface separate from a serverNORTEL NETWORKS CORP·Filed 1996·Granted Nov 23, 1999·243 cites·29 claims
- 1487US10601841B2System, method and computer readable medium for determining users of an internet servicePERFTECH INC·Filed 2017·Granted Mar 24, 2020·2 cites·24 claims
- 1587US9727658B2Method and apparatus of processing invalid user input search informationPERFTECH INC·Filed 2014·Granted Aug 8, 2017·8 cites·20 claims
- 1687US8838809B2Internet connection user communications systemDONZIS HENRY M·Filed 2012·Granted Sep 16, 2014·7 cites·52 claims
- 1787US8793386B2Internet provider subscriber communications systemSCHMIDT JONATHAN E·Filed 2011·Granted Jul 29, 2014·6 cites·40 claims
- 1886US8806004B2Method and apparatus of processing invalid user input search informationDONZIS LEWIS THOMAS·Filed 2011·Granted Aug 12, 2014·10 cites·14 claims
- 1986US7328266B2Internet provider subscriber communications systemPERFTECH INC·Filed 2001·Granted Feb 5, 2008·31 cites·38 claims
- 2085US11736543B2Internet provider subscriber communications systemPERFTECH INC·Filed 2020·Granted Aug 22, 2023·1 cites·20 claims
- 2184US8108524B2Internet connection user communications systemDONZIS HENRY M·Filed 2003·Granted Jan 31, 2012·27 cites·52 claims
- 2284US5867660AMethod and apparatus for communicating between a network workstation and an internetBAY NETWORKS INC·Filed 1995·Granted Feb 2, 1999·139 cites·39 claims
- 2384US4270131AAdaptive error correction device for a laser scannerTOMPKINS E NEAL·Filed 1979·Granted May 26, 1981·46 cites·12 claims
- 2483US12438889B2System, method and computer readable medium for message authentication to subscribers of an internet service providerPERFTECH INC·Filed 2022·Granted Oct 7, 2025·0 cites·20 claims
- 2583US12192213B2System, method and computer readable medium for processing unsolicited electronic mailPERFTECH INC·Filed 2023·Granted Jan 7, 2025·0 cites·11 claims
- 2683US11956251B2System, method and computer readable medium for determining users of an internet servicePERFTECH INC·Filed 2023·Granted Apr 9, 2024·0 cites·20 claims
- 2782US2024380947A1System and method for set-top-box messaging displayPERFTECH INC·Filed 2024·Application pending·0 cites
- 2881US2024362291A1Method and apparatus of processing invalid user input search informationPERFTECH INC·Filed 2024·Application pending·0 cites
- 2980US12177287B2Method and system for providing watermark to subscribersPERFTECH INC·Filed 2023·Granted Dec 24, 2024·0 cites·17 claims
- 3080US12075131B2System and method for set-top-box messaging displayPERFTECH INC·Filed 2023·Granted Aug 27, 2024·0 cites·11 claims
- 3180US2023362104A1Internet connection user communication systemPERFTECH INC·Filed 2023·Application pending·0 cites
- 3280US2023370512A1Internet provider subscriber communications systemPERFTECH INC·Filed 2023·Application pending·0 cites
- 3379US9936037B2System and method for providing redirectionsDONZIS LEWIS T·Filed 2011·Granted Apr 3, 2018·2 cites·9 claims
- 3477US11563750B2System, method and computer readable medium for determining users of an internet servicePERFTECH INC·Filed 2021·Granted Jan 24, 2023·0 cites·20 claims
- 3577US11552961B2System, method and computer readable medium for processing unsolicited electronic mailPERFTECH INC·Filed 2021·Granted Jan 10, 2023·0 cites·20 claims
- 3677US11509665B2System, method and computer readable medium for message authentication to subscribers of an internet service providerPERFTECH INC·Filed 2021·Granted Nov 22, 2022·0 cites·20 claims
- 3776US11601726B2System and method for set-top-box messaging displayPERFTECH INC·Filed 2022·Granted Mar 7, 2023·0 cites·20 claims
- 3875US11997180B2System and method for providing redirectionsPERFTECH INC·Filed 2022·Granted May 28, 2024·0 cites·19 claims
- 3974US10992686B2System, method and computer readable medium for determining users of an internet servicePERFTECH INC·Filed 2020·Granted Apr 27, 2021·0 cites·20 claims
- 4074US10257242B2Internet provider subscriber communications systemPERFTECH INC·Filed 2016·Granted Apr 9, 2019·1 cites·20 claims
- 4173US11711417B2Method and system for providing watermark to subscribersPERFTECH INC·Filed 2021·Granted Jul 25, 2023·0 cites·16 claims
- 4273US11277671B2System and method for set-top-box messaging displayPERFTECH INC·Filed 2021·Granted Mar 15, 2022·0 cites·19 claims
- 4373US10986102B2System, method and computer readable medium for processing unsolicited electronic mailPERFTECH INC·Filed 2020·Granted Apr 20, 2021·0 cites·15 claims
- 4473US8856314B1System, method and computer readable medium for determining users of an internet serviceSCHMIDT JONATHAN E·Filed 2007·Granted Oct 7, 2014·2 cites·18 claims
- 4572US10904265B2System, method and computer readable medium for message authentication to subscribers of an internet service providerPERFTECH INC·Filed 2019·Granted Jan 26, 2021·0 cites·20 claims
- 4671US9325760B2Internet provider subscriber communications systemPERFTECH INC·Filed 2014·Granted Apr 26, 2016·1 cites·40 claims
- 4770US10986417B2System and method for set-top-box messaging displayPERFTECH INC·Filed 2020·Granted Apr 20, 2021·0 cites·20 claims
- 4870US10631062B2System and method for set-top-box messaging displayPERFTECH INC·Filed 2019·Granted Apr 21, 2020·0 cites·20 claims
- 4970US10554671B2System, method and computer readable medium for processing unsolicited electronic mailPERFTECH INC·Filed 2018·Granted Feb 4, 2020·0 cites·20 claims
- 5069US10616360B2System and method for providing redirectionsPERFTECH INC·Filed 2018·Granted Apr 7, 2020·0 cites·20 claims
Showing the top 50 of 68 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →