Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Takeshi Chonan | Sumitomo Metal Mining Co. | 5 |
| 1 | Hirofumi TSUNEMATSU | Sumitomo Metal Mining Co. | 5 |
| 3 | Ryo Togashi | Sumitomo Metal Mining Co. | 2 |
| 3 | Yukihiro Koyama | Yazaki | 2 |
| #5 | Mika Okada | Sumitomo Metal Mining Co. | 1 |