Corydon, IA ranks #30,645 worldwide for total patents filed all time, with 31 patents from 14 inventors. Leading employers of inventors based in Corydon, IA include The Shivvers Group, John Deere, IBM. That works out to 20.3 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.
Showing 1–14 of 14 inventors
| Rank ↑ | Inventor ↕ | Primary Company ↕ | Patents ↕ |
|---|---|---|---|
| 1 | Steven D. Shivvers | The Shivvers Group | 6 |
| 2 | Charles C. Shivvers | The Shivvers Group | 5 |
| 3 | Xinzhan Z. Yang | John Deere | 4 |
| #4 | Edward A. Ryks | The Shivvers Group | 3 |
| #4 | Robert Daniel Engle | IBM | 3 |
| #6 | David Coontz | — | 2 |
| #7 | Fred Parham | Deflecta Shield | 1 |
| #7 | Charles C. Shivers | — | 1 |
| #7 | Erik Tamas Bodzsar | HP | 1 |
| #7 | Scott A. Shick | The Shivvers Group | 1 |
| #7 | Mickey Gragg | Vermeer Manufacturing | 1 |
| #7 | Jason D. Eads | — | 1 |
| #7 | Garry J. Green | — | 1 |
| #7 | Joaquin A. Tormo | The Shivvers Group | 1 |
Part of Iowa