Michael D. Chambers
15Patents
7h-index
20Co-inventors
62Inventor score
Filing activity: Jun 4, 1998 → Nov 18, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8045973B2 | Mobile device subject to a communication restriction responding to a priority call | Electricity | 225 | Active |
| US6587688B1 | Providing telephone number data for international cellular roamer service | Electricity | 149 | Expired |
| US7236791B2 | Radio channel allocation for national security and emergency preparedness calls | Electricity | 40 | Expired |
| US6272358A | Vocoder by-pass for digital mobile-to-mobile calls | Electricity | 37 | Expired |
| US7565160B2 | System and method of handling prioritized wireless calls for mobile devices operating in an analog or TDMA mode | Electricity | 11 | Expired |
| US6389298B1 | Signaling to support wireless service redirection | Electricity | 9 | Expired |
| US7113787B2 | Wireless priority service for intersystem call delivery | Electricity | 8 | Expired |
| US7310518B2 | Serving roaming mobiles with incorrectly programmed identifiers | Electricity | 6 | Expired |
| US7636425B2 | Voice authentication for call control | Electricity | 2 | Active |
| US6941142B2 | Wireless service redirection signaling based on protocol revision | Electricity | 2 | Expired |
| US8090368B2 | Temporary data service in wireless networks | Electricity | 2 | Expired |
| US8521543B2 | Method and apparatus for load-based billing in communication networks | Electricity | 1 | Active |
| US8380191B2 | Temporary data service in wireless networks | Electricity | 0 | Active |
| US8406383B2 | Voice authentication for call control | Electricity | 0 | Active |
| US6782254B1 | Handling of forward-to numbers across regional and political boundaries | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.