Showing 1–12 of 12 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hiromi Ikadai | Juridical Foundation The Chemo-Sero-Therapeutic Research Institute | 3 |
| 2 | Chuichi Sasaki | — | 2 |
| 2 | Shinji Yanagisawa | Ulvac | 2 |
| 2 | Hideki Nakagawara | Nippondenso Co. | 2 |
| #5 | Hitoshi Sugaoka | — | 1 |
| #5 | Yoshiharu Kuji | — | 1 |
| #5 | Yoshitaka Asaoka | — | 1 |
| #5 | Kanao Mitsuhiro | — | 1 |
| #5 | Katumi Miyajima | — | 1 |
| #5 | Taku Sugaoka | — | 1 |
| #5 | Kenji Sugaoka | — | 1 |
| #5 | Hitoshi Ohori | Kyowa Hakko Kogyo Co. | 1 |