Top Inventors at O&K All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Paul J. Neumeier | 3 |
| 2 | Hitoshi Ohta | 1 |
| 3 | Keizo Kinoshita | 1 |
| #4 | Koji Murakami | 1 |
| #5 | Robert Kalthoff | 1 |
| #6 | Tetsuya Tsukamoto | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Paul J. Neumeier | 3 |
| 2 | Hitoshi Ohta | 1 |
| 3 | Keizo Kinoshita | 1 |
| #4 | Koji Murakami | 1 |
| #5 | Robert Kalthoff | 1 |
| #6 | Tetsuya Tsukamoto | 1 |