Madison, SD ranks #21,162 worldwide for total patents filed all time, with 60 patents from 18 inventors. Leading employers of inventors based in Madison, SD include Alumend, Alcatel Lucent, South Dakota Board Of Regents. That works out to 9.7 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.
Showing 1–18 of 18 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ronald E. Utecht | Alumend | 30 |
| 2 | Robert John Johnson | Alcatel Lucent | 7 |
| 3 | Angela McKillip | South Dakota Board Of Regents | 3 |
| 3 | Donald E. Hulm | — | 3 |
| #5 | Eric J. Minnaert | Sensata Technologies | 2 |
| #5 | Shaun Riedesel | — | 2 |
| #5 | Jason W. Eddy | Renew Energy Maintenance | 2 |
| #8 | Jim D. Quade | — | 1 |
| #8 | James N. Maytum | — | 1 |
| #8 | Daniel Palli | — | 1 |
| #8 | Loren L. Gilman | — | 1 |
| #8 | Rodney L. Goeman | — | 1 |
| #8 | James Enga | — | 1 |
| #8 | Arica Kulm | — | 1 |
| #8 | Elisabeth Gordon | South Dakota Board Of Regents | 1 |
| #8 | Michael A. Whitethorn | Global Polymer Industries | 1 |
| #8 | Nicholas C. Opdahl | — | 1 |
| #8 | Brian E. Appelwick | — | 1 |
Part of South Dakota