Top Inventors at Duos Engineering (Usa) All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Gary M. Carraux | 3 |
| 2 | Gianni Arcaini | 3 |
| 3 | Larry Strach | 2 |
| #4 | William R. Gibbes | 2 |
| #5 | Kaoru Ishizuka | 1 |
| #6 | Nicholas Bruno | 1 |
| #7 | Ronald Martin | 1 |
| #8 | Ronald H. Ogletree | 1 |
| #9 | Takanori Hirao | 1 |
| #10 | Takemoto Yashiro | 1 |