Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yumi NAKAYAMA | Idemitsu Kosan Co. | 2 |
| 2 | Hiroshi Kawato | Idemitsu Kosan Co. | 1 |
| 2 | Hidehiro Arita | Nippon Steel | 1 |
4 patents · 3 inventors
Ranked #16,058 of 44,998 cities Top 40%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yumi NAKAYAMA | Idemitsu Kosan Co. | 2 |
| 2 | Hiroshi Kawato | Idemitsu Kosan Co. | 1 |
| 2 | Hidehiro Arita | Nippon Steel | 1 |