WT

Warren Tan

C( Citicorp Credit Services, Inc. (Usa): 5 patents #9 of 154Top 6%
CC Citicorp Development Center: 3 patents #32 of 131Top 25%
TT Transaction Technology: 3 patents #16 of 75Top 25%
📍 Thousand Oaks, CA: #228 of 1,766 inventorsTop 15%
🗺 California: #55,401 of 386,348 inventorsTop 15%
Overall (All Time): #441,521 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
12101409 Methods and systems for secure user authentication Ronald King-Hang Chu, Mark Kogen, Simon Ma, Yosif Smushkovich, Gerry Glindro +1 more 2024-09-24
11917069 Methods and systems for secure user authentication Ronald King-Hang Chu, Mark Kogen, Simon Ma, Yosif Smushkovich, Gerry Glindro +1 more 2024-02-27
11394553 Methods and systems for secure user authentication Ronald King-Hang Chu, Mark Kogen, Simon Ma, Yosif Smushkovich, Gerry Glindro +1 more 2022-07-19
9768963 Methods and systems for secure user authentication Ronald King-Hang Chu, Mark Kogen, Simon Ma, Yosif Smushkovich, Gerry Glindro +1 more 2017-09-19
9002750 Methods and systems for secure user authentication Ronald King-Hang Chu, Mark Kogen, Simon Ma, Yosif Smushkovich, Gerry Glindro +1 more 2015-04-07
7904946 Methods and systems for secure user authentication Ronald King-Hang Chu, Mark Kogen, Simon Ma, Yosif Smushkovich, Gerry Glindro +1 more 2011-03-08
7484089 Method and system for certificate delivery and management Mark Kogen, Herve Garcia, Fred Pinn, Elton Lin 2009-01-27
6687714 Method and system for managing transaction card data Mark Kogen 2004-02-03
5844218 Method and system for using an application programmable smart card for financial transactions in multiple countries Joseph C. Kawan 1998-12-01
5768386 Method and system for encrypting input from a touch screen Randal H. Yokomoto, Yosif Smushkovich, Xuan S. Bui, Michael Merman, Inas M. Dessouky +5 more 1998-06-16
D364386 Customer identification terminal Larry Bramlett, Charles T. Inatomi, Robert R. Propp 1995-11-21