Showing 1–11 of 11 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hiroaki Kubo | Minolta Co. | 5 |
| 1 | Shinichi Ide | Honda Motor Co. | 5 |
| 3 | Katsushige Ikai | Takara Shuzo Co. | 2 |
| 3 | Tadashi Koike | — | 2 |
| 3 | Toshifumi Hiyoke | Sumitomo Special Metals Co. | 2 |
| #6 | Yoshiko Miya | Sumitomo Chemical | 1 |
| #6 | Hirokazu Kanekiyo | Sumitomo Special Metals Co. | 1 |
| #6 | Junichi Ohi | Shimadzu | 1 |
| #6 | Kazunari Yamashita | Fujisawa Pharmaceutical Co. | 1 |
| #6 | Hideto Goto | Maxell | 1 |
| #6 | Masakazu Ban | Santen Pharmaceutical Co. | 1 |