Growing community of inventors

Canal Fulton, OH, United States of America

David N Lewis

Average Co-Inventor Count = 5.95

ph-index = 8

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 212

David N LewisNatarajan Ramachandran (17 patents)David N LewisSongtao Ma (17 patents)David N LewisRandall W Jenkins (17 patents)David N LewisJeffery Enright (16 patents)David N LewisDonald S Nelson, Jr (12 patents)David N LewisShawn Griggy (12 patents)David N LewisGeorge Niemoeller (12 patents)David N LewisH Thomas Graef (11 patents)David N LewisMark A Douglass (11 patents)David N LewisKlaus Steinbach (11 patents)David N LewisSathish M Irudayam (11 patents)David N LewisTim Crews (8 patents)David N LewisJames Pettitt (7 patents)David N LewisJames Block (5 patents)David N LewisTimothy Crews (4 patents)David N LewisGregory S Ray (3 patents)David N LewisJeffrey M Enright (1 patent)David N LewisCharles H Somers, Jr (1 patent)David N LewisLee Kravitz (1 patent)David N LewisBruce Bowen (1 patent)David N LewisJames Trocme (1 patent)David N LewisGreg Ray (1 patent)David N LewisJim Block (1 patent)David N LewisTheresa Ipson (1 patent)David N LewisFrank Natoli (1 patent)David N LewisDavid N Lewis (30 patents)Natarajan RamachandranNatarajan Ramachandran (264 patents)Songtao MaSongtao Ma (100 patents)Randall W JenkinsRandall W Jenkins (73 patents)Jeffery EnrightJeffery Enright (102 patents)Donald S Nelson, JrDonald S Nelson, Jr (74 patents)Shawn GriggyShawn Griggy (41 patents)George NiemoellerGeorge Niemoeller (16 patents)H Thomas GraefH Thomas Graef (221 patents)Mark A DouglassMark A Douglass (66 patents)Klaus SteinbachKlaus Steinbach (60 patents)Sathish M IrudayamSathish M Irudayam (28 patents)Tim CrewsTim Crews (115 patents)James PettittJames Pettitt (8 patents)James BlockJames Block (100 patents)Timothy CrewsTimothy Crews (10 patents)Gregory S RayGregory S Ray (5 patents)Jeffrey M EnrightJeffrey M Enright (13 patents)Charles H Somers, JrCharles H Somers, Jr (11 patents)Lee KravitzLee Kravitz (10 patents)Bruce BowenBruce Bowen (7 patents)James TrocmeJames Trocme (4 patents)Greg RayGreg Ray (1 patent)Jim BlockJim Block (1 patent)Theresa IpsonTheresa Ipson (1 patent)Frank NatoliFrank Natoli (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Diebold Self-service Systems Division of Diebold, Inc. (27 from 505 patents)

2. Diebold Nixdorf, Incorporated (2 from 104 patents)

3. Diebold Self-service Systems, Incorporated (1 from 41 patents)


30 patents:

1. 10515364 - Automated teller machine with an encrypting card reader and an encrypting pin pad

2. 10068231 - Automated teller machine with an encrypting card reader and an encrypting pin pad

3. 9767422 - Detecting unauthorized card skimmers

4. 9607485 - Banking machine controlled responsive to data read from data bearing records

5. 9595026 - Automated teller machine with an encrypting card reader and an encrypting pin pad

6. 9564985 - Automated banking machine that outputs interference signals to jam reading ability of unauthorized card reader devices

7. 9378629 - Banking machine controlled responsive to data read from data bearing records

8. 9373114 - Automated teller machine with an encrypting card reader and an encrypting pin pad

9. 9230414 - Automated banking machine with audio jack

10. 9203548 - Automated banking machine that outputs interference signals to jam reading ability of unauthorized card reader devices

11. 9038891 - Banking machine controlled responsive to data read from data bearing records

12. 8944317 - Automated banking machine operated responsive to data bearing records with improved resistance to fraud

13. D705226 - Card slot bezel

14. 8690052 - Banking machine controlled responsive to data read from data bearing records

15. 8640947 - Automated banking machine operated responsive to data bearing records with improved resistance to fraud

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as of
12/4/2025
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