Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Masamichi Iwaki | Nippon Valqua Industries | 2 |
| 2 | Sayaka Toda | Nippon Valqua Industries | 1 |
| 2 | Akimasa Nitao | Nippon Valqua Industries | 1 |
| 2 | Michi Kuroda | Valqua | 1 |
| 2 | Hirofumi Zushi | Valqua | 1 |
| 2 | Sayaka Yoshida | Valqua | 1 |