Growing community of inventors

Peasanton, CA, United States of America

Ayman A Hammad

Average Co-Inventor Count = 1.89

ph-index = 39

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 = 5,522

Ayman A HammadPatrick L Faith (75 patents)Ayman A HammadMark Andrew Carlson (45 patents)Ayman A HammadPhil Dixon (22 patents)Ayman A HammadBen Rewis (17 patents)Ayman A HammadKhalid El-Awady (16 patents)Ayman A HammadThomas Purves (13 patents)Ayman A HammadPhilip Dixon (13 patents)Ayman A HammadTenni Theurer (11 patents)Ayman A HammadPatrick Gauthier (9 patents)Ayman A HammadBrian Triplett (8 patents)Ayman A HammadShilpak Mahadkar (8 patents)Ayman A HammadKrishna Prasad Koganti (7 patents)Ayman A HammadJulian Hua (7 patents)Ayman A HammadRoger Merckling (7 patents)Ayman A HammadPrakash Hariramani (7 patents)Ayman A HammadChristian Aabye (6 patents)Ayman A HammadCarrie Elaine Vriheas (6 patents)Ayman A HammadBrian Maw (6 patents)Ayman A HammadMaorung Lin (6 patents)Ayman A HammadVlad Guzner (6 patents)Ayman A HammadChristopher Law (6 patents)Ayman A HammadDavid Sohn (6 patents)Ayman A HammadNicole Janine Granucci (6 patents)Ayman A HammadPatrick Stan (5 patents)Ayman A HammadBenedicto Dominguez (5 patents)Ayman A HammadEdward Katzin (5 patents)Ayman A HammadKevin D Weller (5 patents)Ayman A HammadBrendan Xavier Louis (5 patents)Ayman A HammadKris Koganti (5 patents)Ayman A HammadHoward Spector (4 patents)Ayman A HammadTuan Q Dao (4 patents)Ayman A HammadIgor V Karpenko (4 patents)Ayman A HammadLoc Duc Nguyen (4 patents)Ayman A HammadJagdeep Singh Sahota (4 patents)Ayman A HammadMichael Naggar (4 patents)Ayman A HammadAbhinav Shrivastava (4 patents)Ayman A HammadMiroslav Gavrilov (4 patents)Ayman A HammadXiang Fang (4 patents)Ayman A HammadCraig M Kato (4 patents)Ayman A HammadBarbara Elizabeth Patterson (3 patents)Ayman A HammadKevin Paul Siegel (3 patents)Ayman A HammadSaurav Chatterjee (3 patents)Ayman A HammadJerry F Sloan (3 patents)Ayman A HammadPhilippe Levy (3 patents)Ayman A HammadMary L Gorden (3 patents)Ayman A HammadVirginia I Simcox (3 patents)Ayman A HammadKrishan Prasad Koganti (3 patents)Ayman A HammadTheodore David Harris (2 patents)Ayman A HammadSimon Hurry (2 patents)Ayman A HammadPhillip Kumnick (2 patents)Ayman A HammadScott Hollis Ouellette (2 patents)Ayman A HammadVishwanath Shastry (2 patents)Ayman A HammadDiane C Salmon (2 patents)Ayman A HammadMichael Kenji Mori (2 patents)Ayman A HammadStacy Sweeney Pourfallah (2 patents)Ayman A HammadLiane Redford (2 patents)Ayman A HammadCorinne Bortolin (2 patents)Ayman A HammadBryan Shimko (2 patents)Ayman A HammadWilliam Alexander Thaw (2 patents)Ayman A HammadPeter Ciurea (2 patents)Ayman A HammadShipra Jha (2 patents)Ayman A HammadCraig M Mullaney (2 patents)Ayman A HammadShaw Li (2 patents)Ayman A HammadZack Fuerstenberg (2 patents)Ayman A HammadJohn D Moore (2 patents)Ayman A HammadStanley M DeVan, Jr (2 patents)Ayman A HammadRobert Rutherford (2 patents)Ayman A HammadJennifer A Schulz (2 patents)Ayman A HammadSusan French (2 patents)Ayman A HammadGregory Kenneth Storey (2 patents)Ayman A HammadAndrew Beck (2 patents)Ayman A HammadSebastian Badea (2 patents)Ayman A HammadSangameswara Rao Panchomarthi (2 patents)Ayman A HammadVanita Pandey (2 patents)Ayman A HammadEric L Connolly (2 patents)Ayman A HammadSimon Clarke (2 patents)Ayman A HammadMichael Stephenson (2 patents)Ayman A HammadVictoria Graham (2 patents)Ayman A HammadMarc Blum (2 patents)Ayman A HammadSoumyajit Ghosh (2 patents)Ayman A HammadAmit Bhargava (2 patents)Ayman A HammadJames Y C Sze (2 patents)Ayman A HammadBen Pfisterer (2 patents)Ayman A HammadRyan Yuzon (2 patents)Ayman A HammadChristopher M Renton (2 patents)Ayman A HammadNancy E Hiebler (2 patents)Ayman A HammadWilliam S Wallace (1 patent)Ayman A HammadPhillip Dixon (1 patent)Ayman A HammadVenkat Maranani (1 patent)Ayman A HammadUzma Makhdumi (1 patent)Ayman A HammadAshley Carlson (1 patent)Ayman A HammadKrishna (Kris) Prasad Koganti (1 patent)Ayman A HammadVenkata Maranani (1 patent)Ayman A HammadShilpak Mahadkar (1 patent)Ayman A HammadAyman A Hammad (266 patents)Patrick L FaithPatrick L Faith (171 patents)Mark Andrew CarlsonMark Andrew Carlson (179 patents)Phil DixonPhil Dixon (25 patents)Ben RewisBen Rewis (19 patents)Khalid El-AwadyKhalid El-Awady (19 patents)Thomas PurvesThomas Purves (51 patents)Philip DixonPhilip Dixon (22 patents)Tenni TheurerTenni Theurer (11 patents)Patrick GauthierPatrick Gauthier (20 patents)Brian TriplettBrian Triplett (11 patents)Shilpak MahadkarShilpak Mahadkar (10 patents)Krishna Prasad KogantiKrishna Prasad Koganti (35 patents)Julian HuaJulian Hua (11 patents)Roger MercklingRoger Merckling (10 patents)Prakash HariramaniPrakash Hariramani (7 patents)Christian AabyeChristian Aabye (123 patents)Carrie Elaine VriheasCarrie Elaine Vriheas (18 patents)Brian MawBrian Maw (16 patents)Maorung LinMaorung Lin (13 patents)Vlad GuznerVlad Guzner (13 patents)Christopher LawChristopher Law (13 patents)David SohnDavid Sohn (11 patents)Nicole Janine GranucciNicole Janine Granucci (7 patents)Patrick StanPatrick Stan (54 patents)Benedicto DominguezBenedicto Dominguez (26 patents)Edward KatzinEdward Katzin (17 patents)Kevin D WellerKevin D Weller (17 patents)Brendan Xavier LouisBrendan Xavier Louis (10 patents)Kris KogantiKris Koganti (7 patents)Howard SpectorHoward Spector (62 patents)Tuan Q DaoTuan Q Dao (49 patents)Igor V KarpenkoIgor V Karpenko (27 patents)Loc Duc NguyenLoc Duc Nguyen (26 patents)Jagdeep Singh SahotaJagdeep Singh Sahota (18 patents)Michael NaggarMichael Naggar (8 patents)Abhinav ShrivastavaAbhinav Shrivastava (5 patents)Miroslav GavrilovMiroslav Gavrilov (4 patents)Xiang FangXiang Fang (4 patents)Craig M KatoCraig M Kato (4 patents)Barbara Elizabeth PattersonBarbara Elizabeth Patterson (50 patents)Kevin Paul SiegelKevin Paul Siegel (34 patents)Saurav ChatterjeeSaurav Chatterjee (25 patents)Jerry F SloanJerry F Sloan (7 patents)Philippe LevyPhilippe Levy (5 patents)Mary L GordenMary L Gorden (4 patents)Virginia I SimcoxVirginia I Simcox (3 patents)Krishan Prasad KogantiKrishan Prasad Koganti (3 patents)Theodore David HarrisTheodore David Harris (63 patents)Simon HurrySimon Hurry (34 patents)Phillip KumnickPhillip Kumnick (24 patents)Scott Hollis OuelletteScott Hollis Ouellette (23 patents)Vishwanath ShastryVishwanath Shastry (23 patents)Diane C SalmonDiane C Salmon (22 patents)Michael Kenji MoriMichael Kenji Mori (19 patents)Stacy Sweeney PourfallahStacy Sweeney Pourfallah (17 patents)Liane RedfordLiane Redford (17 patents)Corinne BortolinCorinne Bortolin (15 patents)Bryan ShimkoBryan Shimko (15 patents)William Alexander ThawWilliam Alexander Thaw (14 patents)Peter CiureaPeter Ciurea (11 patents)Shipra JhaShipra Jha (10 patents)Craig M MullaneyCraig M Mullaney (10 patents)Shaw LiShaw Li (9 patents)Zack FuerstenbergZack Fuerstenberg (9 patents)John D MooreJohn D Moore (7 patents)Stanley M DeVan, JrStanley M DeVan, Jr (7 patents)Robert RutherfordRobert Rutherford (7 patents)Jennifer A SchulzJennifer A Schulz (5 patents)Susan FrenchSusan French (4 patents)Gregory Kenneth StoreyGregory Kenneth Storey (4 patents)Andrew BeckAndrew Beck (4 patents)Sebastian BadeaSebastian Badea (4 patents)Sangameswara Rao PanchomarthiSangameswara Rao Panchomarthi (4 patents)Vanita PandeyVanita Pandey (4 patents)Eric L ConnollyEric L Connolly (3 patents)Simon ClarkeSimon Clarke (3 patents)Michael StephensonMichael Stephenson (3 patents)Victoria GrahamVictoria Graham (2 patents)Marc BlumMarc Blum (2 patents)Soumyajit GhoshSoumyajit Ghosh (2 patents)Amit BhargavaAmit Bhargava (2 patents)James Y C SzeJames Y C Sze (2 patents)Ben PfistererBen Pfisterer (2 patents)Ryan YuzonRyan Yuzon (2 patents)Christopher M RentonChristopher M Renton (2 patents)Nancy E HieblerNancy E Hiebler (2 patents)William S WallaceWilliam S Wallace (10 patents)Phillip DixonPhillip Dixon (2 patents)Venkat MarananiVenkat Maranani (1 patent)Uzma MakhdumiUzma Makhdumi (1 patent)Ashley CarlsonAshley Carlson (1 patent)Krishna (Kris) Prasad KogantiKrishna (Kris) Prasad Koganti (1 patent)Venkata MarananiVenkata Maranani (1 patent)Shilpak MahadkarShilpak Mahadkar (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Visa International Service Association (125 from 2,476 patents)

2. Visa U.s.a. Inc. (125 from 475 patents)

3. Jpmorgan Chase Bank, N.a. (9 from 1,963 patents)

4. Other (6 from 831,952 patents)

5. Cameros Bay Capital, LLC (2 from 3 patents)

6. Carneros Bay Capital, LLC (1 from 1 patent)

7. Vista U.s.a. (1 from 1 patent)


266 patents:

1. 12277537 - Multi-directional wallet connector apparatuses, methods and systems

2. 12086787 - Integration of verification tokens with mobile communication devices

3. 12079801 - Systems and methods for managing third party tokens and transactions across issuer ecosystems

4. 12045827 - Merchant alerts incorporating receipt data

5. 12002037 - Consumer authentication system and method

6. 11995633 - Security system incorporating mobile device

7. 11928669 - Systems and methods for mobile wallet payments

8. 11900192 - Powering financial transaction token with onboard power source

9. 11880815 - Device enrollment system and method

10. 11803825 - Multi-directional wallet connector apparatuses, methods and systems

11. 11783326 - Transaction authentication using network

12. 11727389 - Systems and methods for managing third party tokens and transactions across issuer ecosystems

13. 11715097 - Cloud-based virtual wallet NFC apparatuses, methods and systems

14. 11574312 - Secure authentication system and method

15. 11544699 - Systems and methods for mobile wallet payments

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as of
10/1/2025
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