Top Inventors at Tongrand Limited All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Chu-Mei Chen | 2 |
| 2 | H. T. Pan | 2 |
| 3 | Lee-Ming Cheng | 2 |
| #4 | Robert G. McHugh | 2 |
| #5 | Ching-ho Lai | 1 |
| #6 | Conrad Choy | 1 |
| #7 | Danny Kwun-Man Chau | 1 |
| #8 | Gwou-Jong Tseng | 1 |
| #9 | Jau-Wen Lin | 1 |
| #10 | Ming-Yow Hon | 1 |
| #11 | Sidney Lu | 1 |