Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Nobuhiro Oi | Chugai Pharmaceutical | 3 |
| 2 | Masa Hamada | Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai | 1 |
| 2 | Bunnosuke Ushioda | Nkk Co. | 1 |
| 2 | Akio Koda | Yamanouchi Pharmaceutical Co. | 1 |
| 2 | Hazime Yamada | Nippon Telegraph And Telephone Public | 1 |
| 2 | Shoichi Tsuji | Mitsui Toatsu Chemicals, Incorporated | 1 |
| 2 | Ichiro Isaka | Yamanouchi Pharmaceutical Co. | 1 |
| 2 | Kochi Kato | Nippon Mining Company Limited | 1 |