Showing 1–11 of 11 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hisaki Kato | Toyoda Gosei Co. | 4 |
| 2 | Satoru Kurimoto | Daido Metal Company | 2 |
| 2 | Yuzuru Yamaguchi | Toyoda Gosei Co. | 2 |
| 2 | Koji Kaneko | Fuji Photo Optical Co. | 2 |
| #5 | Kazuteru Kuriki | Brother Kogyo | 1 |
| #5 | Yukiko Mizumoto | — | 1 |
| #5 | Shuichi Nagahaka | Denso | 1 |
| #5 | Kiyotaka Tamaoki | Toyoda Gosei Co. | 1 |
| #5 | Kiminori Mine | Toyoda Gosei Co. | 1 |
| #5 | Norihide Ohta | Toyoda Gosei Co. | 1 |
| #5 | Masaru Morii | — | 1 |