Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
HN

Hao Ngo — 45 Patents

Visa: 45 patents #16 of 2,009Top 1%
San Jose, CA: #1,177 of 32,062 inventorsTop 4%
California: #9,570 of 386,348 inventorsTop 3%
Overall (All Time): #64,393 of 4,157,543Top 2%
45 Patents All Time
Hao Ngo has been granted 45 US patents while listed as an inventor at Visa. The first was granted in 2012 and the most recent in November 2025. Hao Ngo ranks #64,393 of 4,157,543 US inventors in our database (top 1.5%). Patent records list Hao Ngo in San Jose, CA, US.

Issued Patents All Time

Showing 1–25 of 45 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12469021 Limited-use keys and cryptograms Christian Aabye, John H. Sheets, Oleg Makhotin 2025-11-11
12437045 Method and system using conditional blocking and non-blocking query call system and method Yuexi Chen, Brian Sullivan, Dinah Sloan, Kiushan Pirzadeh 2025-10-07
12341875 Efficient authentic communication system and method Brian Sullivan, Dinah Sloan, Christian Aabye, Yuexi Chen, Fahimeh Rezaei 2025-06-24
12218953 Binding cryptogram with protocol characteristics Yuexi Chen, Marc Kekicheff, Mustafa Top 2025-02-04
12219347 Secure on-demand ultra-wideband communication channels systems and methods Brian Sullivan, Aparna Krishnan Girish, Mark Rigby, Christian Aabye, Mustafa Top +2 more 2025-02-04
12160516 Techniques for securely performing offline authentication Yuexi Chen, Thomas Bellenger 2024-12-03 $631,098,000
12086777 Method of performing transactions with contactless payment devices using pre-tap and two-tap operations Christian Aabye, David William Wilson 2024-09-10 $185,128,000
12015720 Integrating identity tokens and privacy-preserving identity attribute attestations into interactions Kim R. Wagner, Brian Sullivan, Dinah Sloan, Gaven James Watson, Sunpreet Singh Arora +2 more 2024-06-18 $171,912,000
11956349 Efficient authentic communication system and method Brian Sullivan, Dinah Sloan, Christian Aabye, Yuexi Chen, Fahimeh Rezaei 2024-04-09 $158,878,000
11785449 Secure on-demand ultra-wideband communication channels systems and methods Brian Sullivan, Aparna Krishnan Girish, Mark Rigby, Christian Aabye, Mustafa Top +2 more 2023-10-10 $80,739,000
11501274 Over the air update of payment transaction data stored in secure memory Christian Aabye, David William Wilson, Gustavo Mariath Zeiden, Chris Pitchford, Kiushan Pirzadeh 2022-11-15 $307,325,000
11438766 Terminal type identification in interaction processing Gavin Shenker, Brian Sullivan, Christian Aabye 2022-09-06 $346,047,000
11394721 Binding cryptogram with protocol characteristics Yuexi Chen, Marc Kekicheff, Mustafa Top 2022-07-19 $183,483,000
11315099 Over the air update of payment transaction data stored in secure memory Christian Aabye, David William Wilson, Gustavo Mariath Zeiden, Chris Pitchford, Kiushan Pirzadeh 2022-04-26 $253,986,000
11303450 Techniques for securely performing offline authentication Yuexi Chen, Thomas Bellenger 2022-04-12 $160,023,000
11232427 Method of performing transactions with contactless payment devices using pre-tap and two-tap operations Christian Aabye, David William Wilson 2022-01-25 $366,660,000
11205175 Mobile payment application provisioning and personalization on a mobile device Oleg Makhotin, Christian Aabye, Kiushan Pirzadeh 2021-12-21 $858,005,000
11164176 Limited-use keys and cryptograms Christian Aabye, John Sheets, Oleg Makhotin 2021-11-02 $515,747,000
11062298 Contactless enablement and disablement David William Wilson, Omar Rifaat 2021-07-13 $330,373,000
11037128 Over the air management of payment application installed in mobile device Christian Aabye, Olivier Brand, Michael Lindelsee, Joseph J. Mirizzi, Lauren White +1 more 2021-06-15 $116,839,000
11030608 Recordation of electronic payment transaction information Christian Aabye, David William Wilson, Guido Mangiagalli 2021-06-08 $208,353,000
10909522 Cloud-based transactions methods and systems Erick Wong, Christian Flurscheim, Oleg Makhotin, Eduardo Lopez, Sanjeev Sharma +7 more 2021-02-02 $206,281,000
10791460 Terminal type identification in interaction processing Gavin Shenker, Brian Sullivan, Christian Aabye 2020-09-29 $482,983,000
10769614 Over the air update of payment transaction data stored in secure memory Christian Aabye, David William Wilson, Gustavo Mariath Zeiden, Chris Pitchford, Kiushan Pirzadeh 2020-09-08 $384,222,000
10706402 Over the air update of payment transaction data stored in secure memory Christian Aabye, David William Wilson, Gustavo Mariath Zeiden, Chris Pitchford, Kiushan Pirzadeh 2020-07-07 $190,261,000