Ohio ranks #9 among US states for total patents filed all time, with 388,920 patents from 73,341 inventors across 1,021 cities. On a per-capita basis that is 33.0 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.
Top Cities in Ohio All Time
| Rank | City | Patents | Inventors |
|---|---|---|---|
| #1 | Cincinnati, OH | 49,644 | 8,043 |
| #2 | Columbus, OH | 15,751 | 3,880 |
| #3 | Akron, OH | 10,845 | 1,966 |
| #4 | Mason, OH | 9,425 | 1,011 |
| #5 | Dayton, OH | 8,700 | 1,892 |
| #6 | Loveland, OH | 8,068 | 930 |
| #7 | Cleveland, OH | 7,385 | 1,781 |
| #8 | Sharonville, OH | 6,489 | 1,065 |
| #9 | Toledo, OH | 6,244 | 1,470 |
| #10 | Dublin, OH | 5,727 | 1,143 |
| #11 | Lebanon, OH | 4,825 | 545 |
| #12 | Solon, OH | 4,440 | 517 |
| #13 | West Chester, OH | 4,120 | 193 |
| #14 | Centerville, OH | 4,021 | 668 |
| #15 | North Canton, OH | 3,865 | 570 |
| #16 | Canton, OH | 3,686 | 654 |
| #17 | Lancaster, OH | 3,530 | 666 |
| #18 | Shaker Heights, OH | 3,517 | 490 |
| #19 | Hamilton, OH | 3,449 | 591 |
| #20 | Hudson, OH | 3,427 | 536 |
| #21 | Chagrin Falls, OH | 3,320 | 574 |
| #22 | Mentor, OH | 3,259 | 709 |
| #23 | Cleveland Heights, OH | 3,200 | 614 |
| #24 | Medina, OH | 3,004 | 501 |
| #25 | Worthington, OH | 2,898 | 449 |