Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hiroshi Hotta | Dai-Ichi Kogyo Seiyaku Co. | 3 |
| 2 | Mineo Niwa | Fujisawa Pharmaceutical Co. | 2 |
| 2 | Shunjiro Imagawa | Murata Manufacturing Co. | 2 |
| #4 | Yu Tokuda | Murata Manufacturing Co. | 1 |
| #4 | Hiroaki Kubo | Minolta Co. | 1 |
| #4 | Hirokazu Kotani | Takara Shuzo Co. | 1 |