Showing 1–11 of 11 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Dwight Tomes | Pioneer (Corteva) | 45 |
| 2 | John A. Schillinger | Schillinger Genetics | 41 |
| 3 | Brent M. Veldkamp | Townsend Engineering | 21 |
| #4 | Mark Frederick | Makusafe | 9 |
| #5 | Robert W. Vierhout | Collins Engine Nozzles | 4 |
| #6 | William Cochrane | Hewlett Packard Enterprise | 3 |
| #6 | Mark Darrah | — | 3 |
| #8 | Jill Marie Stanford | John Deere | 2 |
| #8 | Howard P. Hershey | E.I. Du Pont De Nemours And | 2 |
| #8 | Charles G. McBee | Pioneer (Corteva) | 2 |
| #11 | Austin T. Knosby | — | 1 |
Part of Iowa