Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Nobuki Hizume | — | 2 |
| 1 | Katsumi Hasegawa | Kai R&D Center Co. | 2 |
| 1 | Akira Abo | Kai R&D Center Co. | 2 |
| #4 | Kengo Hashimoto | Kai R&D Center Co. | 1 |
| #4 | Akitsugu Yamada | Kai R&D Center Co. | 1 |
| #4 | Masashi Usuda | Kai R&D Center Co. | 1 |