Top Inventors at Gti Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | James R. Holly | 2 |
| 2 | Kenneth R. Chason | 2 |
| 3 | Paul C. North | 2 |
| #4 | William E. Swanson | 2 |
| #5 | Daniel Emmons | 1 |
| #6 | Dennis G. Stake | 1 |
| #7 | Esker K. Davis | 1 |
| #8 | Gary W. Anderson | 1 |
| #9 | George L. Kerber | 1 |
| #10 | Hendrik Christian Steinz | 1 |
| #11 | James K. LaFleur | 1 |
| #12 | Jeffrey D. Stein | 1 |
| #13 | Johannes Roland Dassel | 1 |
| #14 | John M. McCool | 1 |
| #15 | Junko Aihara | 1 |
| #16 | Kunihiko Aihara | 1 |
| #17 | Michael Manouchehr Moghaddam | 1 |
| #18 | Vladislav Sklyarevich | 1 |
| #19 | William F. Chew | 1 |
| #20 | William D. Squire | 1 |
| #21 | Leigh Ann Tidey | 1 |