Growing community of inventors

Peasanton, CA, United States of America

Ayman A Hammad

Average Co-Inventor Count = 1.89

ph-index = 40

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 = 5,597

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 HammadVlad Guzner (6 patents)Ayman A HammadChristopher Law (6 patents)Ayman A HammadMaorung Lin (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 HammadLiane Redford (2 patents)Ayman A HammadStacy Sweeney Pourfallah (2 patents)Ayman A HammadBryan Shimko (2 patents)Ayman A HammadCorinne Bortolin (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 HammadZack Fuerstenberg (2 patents)Ayman A HammadShaw Li (2 patents)Ayman A HammadRobert Rutherford (2 patents)Ayman A HammadJohn D Moore (2 patents)Ayman A HammadStanley M DeVan, Jr (2 patents)Ayman A HammadJennifer A Schulz (2 patents)Ayman A HammadSangameswara Rao Panchomarthi (2 patents)Ayman A HammadGregory Kenneth Storey (2 patents)Ayman A HammadAndrew Beck (2 patents)Ayman A HammadSebastian Badea (2 patents)Ayman A HammadSusan French (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 HammadJames Y C Sze (2 patents)Ayman A HammadRyan Yuzon (2 patents)Ayman A HammadNancy E Hiebler (2 patents)Ayman A HammadSoumyajit Ghosh (2 patents)Ayman A HammadAmit Bhargava (2 patents)Ayman A HammadBen Pfisterer (2 patents)Ayman A HammadChristopher M Renton (2 patents)Ayman A HammadMarc Blum (2 patents)Ayman A HammadWilliam S Wallace (1 patent)Ayman A HammadPhillip Dixon (1 patent)Ayman A HammadKrishna (Kris) Prasad Koganti (1 patent)Ayman A HammadVenkat Maranani (1 patent)Ayman A HammadUzma Makhdumi (1 patent)Ayman A HammadVenkata Maranani (1 patent)Ayman A HammadShilpak Mahadkar (1 patent)Ayman A HammadAshley Carlson (1 patent)Ayman A HammadAyman A Hammad (267 patents)Patrick L FaithPatrick L Faith (172 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 (36 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)Vlad GuznerVlad Guzner (13 patents)Christopher LawChristopher Law (13 patents)Maorung LinMaorung Lin (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)Liane RedfordLiane Redford (17 patents)Stacy Sweeney PourfallahStacy Sweeney Pourfallah (17 patents)Bryan ShimkoBryan Shimko (15 patents)Corinne BortolinCorinne Bortolin (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)Zack FuerstenbergZack Fuerstenberg (9 patents)Shaw LiShaw Li (9 patents)Robert RutherfordRobert Rutherford (7 patents)John D MooreJohn D Moore (7 patents)Stanley M DeVan, JrStanley M DeVan, Jr (7 patents)Jennifer A SchulzJennifer A Schulz (5 patents)Sangameswara Rao PanchomarthiSangameswara Rao Panchomarthi (4 patents)Gregory Kenneth StoreyGregory Kenneth Storey (4 patents)Andrew BeckAndrew Beck (4 patents)Sebastian BadeaSebastian Badea (4 patents)Susan FrenchSusan French (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)James Y C SzeJames Y C Sze (2 patents)Ryan YuzonRyan Yuzon (2 patents)Nancy E HieblerNancy E Hiebler (2 patents)Soumyajit GhoshSoumyajit Ghosh (2 patents)Amit BhargavaAmit Bhargava (2 patents)Ben PfistererBen Pfisterer (2 patents)Christopher M RentonChristopher M Renton (2 patents)Marc BlumMarc Blum (2 patents)William S WallaceWilliam S Wallace (10 patents)Phillip DixonPhillip Dixon (2 patents)Krishna (Kris) Prasad KogantiKrishna (Kris) Prasad Koganti (1 patent)Venkat MarananiVenkat Maranani (1 patent)Uzma MakhdumiUzma Makhdumi (1 patent)Venkata MarananiVenkata Maranani (1 patent)Shilpak MahadkarShilpak Mahadkar (1 patent)Ashley CarlsonAshley Carlson (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Visa International Service Association (126 from 2,486 patents)

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

3. Jpmorgan Chase Bank, N.a. (9 from 1,983 patents)

4. Other (6 from 832,398 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)


267 patents:

1. 12450590 - Integration of verification tokens with mobile communication devices

2. 12277537 - Multi-directional wallet connector apparatuses, methods and systems

3. 12086787 - Integration of verification tokens with mobile communication devices

4. 12079801 - Systems and methods for managing third party tokens and transactions across issuer ecosystems

5. 12045827 - Merchant alerts incorporating receipt data

6. 12002037 - Consumer authentication system and method

7. 11995633 - Security system incorporating mobile device

8. 11928669 - Systems and methods for mobile wallet payments

9. 11900192 - Powering financial transaction token with onboard power source

10. 11880815 - Device enrollment system and method

11. 11803825 - Multi-directional wallet connector apparatuses, methods and systems

12. 11783326 - Transaction authentication using network

13. 11727389 - Systems and methods for managing third party tokens and transactions across issuer ecosystems

14. 11715097 - Cloud-based virtual wallet NFC apparatuses, methods and systems

15. 11574312 - Secure authentication system and method

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as of
10/22/2025
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