Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Akira Iwasa | Ss Pharmaceutical Co. | 3 |
| 2 | Katsumi Imamori | Ss Pharmaceutical Co. | 2 |
| 3 | Seiji Kawaura | Morinaga Milk Industry Co. | 1 |
| 3 | Etsuji Okumura | Sumitomo Chemical | 1 |
| 3 | Kiyoo Miyazaki | Mitsui Toatsu Chemicals, Incorporated | 1 |
| 3 | Hideo Kuguminato | Kawasaki Steel | 1 |
| 3 | Mituo Eziri | Asahi Engineering Co. | 1 |
| 3 | Seiichi Imano | Seiko Precision | 1 |
| 3 | Shigeru Tagami | Seikosha Co. | 1 |