Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Takanari Miyaki | Nippon Steel | 2 |
| 2 | Masaru Iwasa | Sumitomo Electric Industries | 1 |
| 2 | Kiichiro Tsuchida | Nippon Steel | 1 |
| 2 | Rikiya Kanno | Nippon Steel | 1 |
| 2 | Toshio Banno | Nippon Steel | 1 |
| 2 | Teruo Kawabata | Nippon Steel | 1 |
| 2 | Kouichi Yamazaki | Hitachi | 1 |
| 2 | Ryuichi Seki | Nippon Steel | 1 |