Tan, Warren Yung-Hang
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tan, Warren Yung-Hang.The latest application filed is for "method and system for token-based authentication".
- Tan, Warren Yung-Hang - Thousand Oaks CA
| Patent | Date |
|---|---|
| Method and system for token-based authentication App 20010045451 - Tan, Warren Yung-Hang ; et al. | 2001-11-29 |
| Method and system for using an application programmable smart card for financial transactions in multiple countries Grant 5,844,218 - Kawan , et al. December 1, 1 | 1998-12-01 |
| Method and system for encrypting input from a touch screen Grant 5,768,386 - Yokomoto , et al. June 16, 1 | 1998-06-16 |
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