Top Inventors at Sankyo Manufacturing Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Heizaburo Kato | 51 |
| 2 | Heizaburou Kato | 9 |
| 3 | Heizaburou Katoh | 2 |
| #4 | Grant E. Hagan | 1 |
| #5 | Hideaki Hattori | 1 |
| #6 | Kazuya Horibe | 1 |
| #7 | Kiyoshi Nishida | 1 |
| #8 | Masao Anma | 1 |
| #9 | Masao Nishioka | 1 |
| #10 | Masaaki Yoshino | 1 |
| #11 | Osamu Kojima | 1 |
| #12 | Satoshi Okada | 1 |
| #13 | Yukihisa Maruyama | 1 |