Showing 1–11 of 11 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Masao Nobuta | Shikoku Kakoki Co. | 2 |
| 2 | Yeong-Man Hong | Otsuka Pharmaceutical Co. | 1 |
| 2 | Takuo Yamaguchi | — | 1 |
| 2 | Shigeru Wakabayashi | Shikoku Kakoki Co. | 1 |
| 2 | Kazuo Hino | Otsuka Pharmaceutical Factory | 1 |
| 2 | Ryoichi Umemoto | Otsuka Pharmaceutical Factory | 1 |
| 2 | Chieko Naba | Otsuka Pharmaceutical Factory | 1 |
| 2 | Yasuhide Inoue | Otsuka Pharmaceutical Factory | 1 |
| 2 | Toshio Matsushita | Nichia | 1 |
| 2 | Takeru Fujii | Teikoku Seiyaku Co. | 1 |
| 2 | Kazuyoshi Kawai | Otsuka Pharmaceutical Co. | 1 |