Donald C. Jackson
7Patents
4h-index
22Co-inventors
57Inventor score
Filing activity: Aug 1, 1990 → Aug 12, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7286521B1 | Localized voice over internet protocol communication | Electricity | 248 | Expired |
| US5285496A | Methods and apparatus for providing a secure paging system | Electricity | 130 | Expired |
| US5109514A | Method and apparatus for executing concurrent CO processor operations and precisely handling related exceptions | Physics | 27 | Expired |
| US6956497B1 | Method and apparatus for sending presence messages | Electricity | 15 | Expired |
| US8705519B2 | Method and apparatus for localized voice over internet protocol usage | Electricity | 1 | Active |
| US8509137B2 | Method and apparatus for sending presence messages | Electricity | 0 | Active |
| USRE42901E1 | Common gateway to call control systems | General | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.