Showing 1–16 of 16 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yuh Horikawa | Eisai | 3 |
| 1 | Noriyoshi Iwata | Eisai | 3 |
| 1 | Takashi Yoshimura | Eisai | 3 |
| 1 | Kenichi Fujisawa | Minolta Co. | 3 |
| 1 | Toshio Matsunami | Eisai | 3 |
| 1 | Eiji Kosaka | Morton International | 3 |
| 1 | Hiroshi Inoue | Eisai | 3 |
| #8 | Mitsukazu Takishita | — | 2 |
| #8 | Shigeyuki Hantani | — | 2 |
| #10 | Yoshimori Miyamura | — | 1 |
| #10 | Susumu SAKAI | — | 1 |
| #10 | Souhei Suzui | — | 1 |
| #10 | Souhei Suzuki | — | 1 |
| #10 | Katsuro Takagaki | Hachiman-Kasei Co. | 1 |
| #10 | Shinjirou Nishikawa | Kabushiki Kaisha Hara Shokki Seisakusho | 1 |
| #10 | Kinshichi Fukui | — | 1 |