Philip Yuen
31Patents
11h-index
21Co-inventors
75Inventor score
Filing activity: Feb 13, 1996 → Mar 14, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8423462B1 | Real-time mobile wallet server | Physics | 192 | Active |
| US8744966B1 | Real-time mobile wallet server | Physics | 135 | Active |
| US8401968B1 | Mobile group payments | Physics | 135 | Active |
| US10235669B2 | Real-time mobile wallet server | Physics | 99 | Active |
| US5903868A | Audio recorder with retroactive storage | Physics | 91 | Expired |
| US8423457B1 | Anonymous mobile payments | Physics | 40 | Active |
| US8977568B1 | Anonymous mobile payments | Physics | 31 | Active |
| US8255288B1 | High demand sale processing | Physics | 25 | Active |
| US8302187B1 | System and method for preventing large-scale account lockout | Electricity | 24 | Active |
| US7729989B1 | Method and apparatus for message correction in a transaction authorization service | Physics | 19 | Active |
| US8352376B2 | System and method for authorization of transactions | Physics | 11 | Active |
| US8295863B1 | Multimedia enhanced services | Physics | 10 | Active |
| US8447700B2 | Transaction authorization service | Physics | 9 | Active |
| US10552819B1 | Media enhanced mobile payments | Physics | 9 | Active |
| US8204827B1 | System and method for personalized commands | Physics | 8 | Active |
| US8239326B1 | Method and apparatus for authorizing transactions using transaction phrases in a transaction authorization service | Physics | 7 | Active |
| US7587410B2 | Dynamic cube services | Emerging Cross-Sectional Technologies | 6 | Active |
| US8620826B2 | System and method for receiving requests for tasks from unregistered devices | Electricity | 5 | Active |
| US8533059B2 | System and method for message-based purchasing | Physics | 5 | Active |
| US8244592B2 | System and method for message-based purchasing | Physics | 5 | Active |
| US8973120B2 | System and method for receiving requests for tasks from unregistered devices | Electricity | 4 | Active |
| US10198764B2 | System and method for message-based purchasing | Physics | 3 | Active |
| US8676237B1 | Multimedia enhanced services | Physics | 3 | Active |
| US10171961B1 | Transaction authorization service | Physics | 2 | Active |
| US11946033B2 | Micro alternating tangential flow perfusion filter, micro bioreactor, and methods of use thereof | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.