Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Mitsuru Naiki | Nippon Zoki Pharmaceutical Co. | 2 |
| 2 | Kazuyoshi Sawada | Nippon Zoki Pharmaceutical Co. | 1 |
| 2 | Takashi Ogino | Fujisawa Pharmaceutical Co. | 1 |
| 2 | Tomonori Matsumoto | Nippon Zoki Pharmaceutical Co. | 1 |
| 2 | Tomoyuki Okada | Nippon Zoki Pharmaceutical Co. | 1 |
| 2 | Kunihiko Higashiura | Nippon Zoki Pharmaceutical Co. | 1 |