Top Inventors at Hl All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Hsueh-Hu Liao | 2 |
| 2 | William P. Herman | 2 |
| 3 | Brian L. Launder | 1 |
| #4 | Burton L. Hulland | 1 |
| #5 | Eric P. Thomas | 1 |
| #6 | George B. Litchford | 1 |
| #7 | Hsueh-Jean Liao | 1 |
| #8 | Hsueh-Chin Liao | 1 |
| #9 | William A. Flagg | 1 |
| #10 | T'sui Hsiao Hung | 1 |