Johng Phil Lee
5Patents
4h-index
14Co-inventors
46Inventor score
Filing activity: Sep 26, 2002 → Nov 9, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6873690B2 | System and method for providing prepaid telecommunication services | Electricity | 14 | Expired |
| US7295658B2 | System and method for providing prepaid telecommunication services | Electricity | 10 | Expired |
| US7706774B1 | Control system for enabling use of wireless telephones | Electricity | 8 | Active |
| US8014505B2 | Point-of-sale electronic PIN distribution system | Electricity | 4 | Active |
| US7539294B2 | System and method for providing prepaid telecommunication services | Electricity | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.