Top Inventors at D4D Technologies All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Mark Quadling | 25 |
| 2 | Henley Quadling | 21 |
| 3 | Rod Duncan | 19 |
| #4 | Justin G. Graham | 8 |
| #5 | Ye Li | 6 |
| #6 | Alan Blair | 6 |
| #7 | Andrei Tchouprakov | 6 |
| #8 | Basil Haymann | 5 |
| #9 | Grant E. Kenworthy | 5 |
| #10 | Jeffrey Prince | 5 |
| #11 | Branko Bem | 4 |
| #12 | Glen Freeman | 4 |
| #13 | Joel Witt | 4 |
| #14 | Jessica Hawkins | 3 |
| #15 | Jorey Chernett | 3 |
| #16 | Lasse Toimela | 3 |
| #17 | Diego Escala | 2 |
| #18 | Garret T. Bonnema | 2 |
| #19 | Gary Severance | 2 |
| #20 | Greg R. Basile | 2 |
| #21 | James Susinno | 2 |
| #22 | Radu Gheorghe | 2 |
| #23 | Rakesh Mohan Lal | 2 |
| #24 | Robert Duerr | 2 |
| #25 | Roman Sokolov | 2 |
| #26 | Branko Bern | 1 |
| #27 | Chris Partee | 1 |
| #28 | George R. Kline | 1 |
| #29 | Gregory R. Basile | 1 |
| #30 | Howard Frysh | 1 |
| #31 | Kirk Ray | 1 |
| #32 | Rob Klein | 1 |
| #33 | Rui Xu | 1 |
| #34 | Anthony Starfield | 1 |