Top Inventors at H R D All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Aziz Hassan | 119 |
| 2 | Abbas Hassan | 119 |
| 3 | Rayford G. Anthony | 111 |
| #4 | Gregory Borsinger | 106 |
| #5 | Ebrahim Bagherzadeh | 76 |
| #6 | Krishnan Viswanathan | 7 |
| #7 | Azziz Hassan | 1 |
| #8 | Bedri Bozkurt | 1 |
| #9 | Greg G. Borsinger | 1 |
| #10 | Harshad M. Bhatt | 1 |
| #11 | Jubo Zhang | 1 |
| #12 | William B. Herbert | 1 |
| #13 | Abbass Hassan | 1 |