Top Inventors at Royal Group All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | David Campbell | 72 |
| 2 | Nina Sterlin | 42 |
| 3 | Moriya Kino | 34 |
| #4 | Elias Mancebo | 30 |
| #5 | Phil Weber | 14 |
| #6 | Eric Mercer | 8 |
| #7 | Steven A. Mitchell | 6 |
| #8 | Takashi Kino | 6 |
| #9 | John Kehren | 5 |
| #10 | Lorne Smyth | 5 |
| #11 | Rodney Lee Olinger | 5 |
| #12 | Brandon Sevier Nadler | 4 |
| #13 | Xing-Guo Shen | 4 |
| #14 | Brian L. Stafford | 2 |
| #15 | Jeffrey Alan Dolan | 2 |
| #16 | Noel E. King | 2 |
| #17 | Andrew Wynn Dewitt | 2 |
| #18 | Bob Campbell | 1 |
| #19 | Brian Bacik | 1 |
| #20 | Chris TURNBULL | 1 |
| #21 | Davide Achiluzzi | 1 |
| #22 | Edward Lynn Mitchusson | 1 |
| #23 | Iulian Cioanta | 1 |
| #24 | James Shen | 1 |
| #25 | Kechang Xing | 1 |
| #26 | Patrick Henry Izzo | 1 |
| #27 | Robert E. Rabago | 1 |
| #28 | Scott Chambers | 1 |
| #29 | Stephen Mitchell | 1 |
| #30 | Teruo Ueno | 1 |
| #31 | Wayne B. Provus | 1 |
| #32 | Yannick Spenninck | 1 |
| #33 | Anna Jankowski | 1 |