Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Warren K. Ellis | Nortel Networks Limited | 10 |
| 2 | Larry John David | Nortel Networks Limited | 6 |
| 2 | Christian Szpilfogel | Mitel Networks | 6 |
| #4 | Theo J. W. de Bruijn | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Energy, Mines And Resources Canada | 3 |
| #5 | Steven G. Lyon | Mitel | 1 |
| #5 | Daniel S. Boland | — | 1 |