Patents/Inventors

Hao Ngo

San Jose, CAUS9 patents

10 Patents

US124690212025
Limited-use Keys and Cryptograms
Visa International Service Association
0 cites
US124370452025
Method and System Using Conditional Blocking and Non-blocking Query Call System and Method
Visa International Service Association
0 cites
US123418752025
Efficient Authentic Communication System and Method
Visa International Service Association
0 cites
US122189532025
Binding Cryptogram with Protocol Characteristics
Visa International Service Association
0 cites
US122193472025
Secure On-demand Ultra-wideband Communication Channels Systems and Methods
Visa International Service Association
0 cites
US121605162024
Techniques for Securely Performing Offline Authentication
Visa International Service Association
0 cites
US120867772024
Method of Performing Transactions with Contactless Payment Devices Using Pre-tap and Two-tap Operations
Visa International Service Association
0 cites
US120157202024
Integrating Identity Tokens and Privacy-preserving Identity Attribute Attestations Into Interactions
Visa International Service Association
0 cites
US119563492024
Efficient Authentic Communication System and Method
Visa International Service Association
0 cites
US117854492023
Secure On-demand Ultra-wideband Communication Channels Systems and Methods
Visa International Service Association
0 cites