Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ken Kimura | NS Sumikin Stainless | 3 |
| 2 | Ryosuke Komami | Nippon Steel | 1 |
| 2 | Hiromasa Nomura | Nippon Steel | 1 |
| 2 | Hiroki TSUKIGASE | Nippon Steel & Sumitomo Metal | 1 |
| 2 | Shinji Kiyono | Mitsui Chemicals | 1 |
| 2 | Hidehiro Arita | Nippon Steel | 1 |
| 2 | Kenichiroh Matsumura | Nippon Steel & Sumitomo Metal | 1 |
| 2 | Yumi NAKAYAMA | Idemitsu Kosan Co. | 1 |
| 2 | Kouichiro Mitsuru | — | 1 |