Showing 1–17 of 17 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yoshio Shindou | Nippon Steel | 3 |
| 2 | Motoo Kabeya | Nippon Steel | 2 |
| 2 | Shinji Kiyono | Mitsui Chemicals | 2 |
| #4 | Nobuki Hirai | Mitsui Petrochemical Industries | 1 |
| #4 | Yoshiteru Matsuo | Nippon Steel | 1 |
| #4 | Toshimichi Murata | Nippon Steel | 1 |
| #4 | Nobuhiko Matsuzu | Nippon Steel | 1 |
| #4 | Kenro Nozaki | Nippon Steel | 1 |
| #4 | Ryuichi Hiratsuka | Nippon Steel | 1 |
| #4 | Eiichi Shimozawa | Nippon Steel | 1 |
| #4 | Yasuhiko Awa | Nippon Steel | 1 |
| #4 | Nobuyuki Komatsu | Nippon Steel | 1 |
| #4 | Masamitsu Wakoh | Nippon Steel | 1 |
| #4 | Hiroshi Tamehiro | Nippon Steel | 1 |
| #4 | Koyoshi Nishioka | Nippon Steel | 1 |
| #4 | Hidehiro Tomio | Nippon Steel | 1 |
| #4 | Daijiro Mizukoshi | Nippon Steel | 1 |