Madison, IL ranks #31,779 worldwide for total patents filed all time, with 29 patents from 11 inventors. Leading employers of inventors based in Madison, IL include Verizon, Morrill Glasstek, Sumitomo Wiring Systems. That works out to 9.2 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.
Showing 1–11 of 11 inventors
| Rank ↑ | Inventor ↕ | Primary Company ↕ | Patents ↕ |
|---|---|---|---|
| 1 | William E. Garrett | Verizon | 8 |
| 1 | David K. Hudson | Morrill Glasstek | 8 |
| 3 | Zhu Yong | Sumitomo Wiring Systems | 4 |
| #4 | Jack R. Bowers | Basler Electric | 2 |
| #5 | Ronald G. Dooley | — | 1 |
| #5 | Butch LaRue | Emerson Electric | 1 |
| #5 | George P. Mathis, II | — | 1 |
| #5 | Sarah R. Garrett | — | 1 |
| #5 | Nicholas D. Antonovich | — | 1 |
| #5 | Creo B. Lindsay | — | 1 |
| #5 | Bruce Walter | Acf Industries Incorporated | 1 |
Part of Illinois