Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Katsumi Imamori | Ss Pharmaceutical Co. | 3 |
| 2 | Kotaro Nakayama | Toyo Suisan Kaisha | 2 |
| 2 | Seiichi Imano | Seiko Precision | 2 |
| #4 | Osamu Miyauchi | Seiko Precision | 1 |
| #4 | Atsushi Miyakawa | Dainippon Ink And Chemicals | 1 |
| #4 | Shinji Nagaoka | Seiko Koki Kabushiki Kaisha | 1 |
| #4 | Michitaka Nakazawa | Fujifilm | 1 |
| #4 | Eiji Matsukawa | Nikon | 1 |
| #4 | Akira Iwasa | Ss Pharmaceutical Co. | 1 |