Showing 1–12 of 12 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ken Kimura | NS Sumikin Stainless | 2 |
| 2 | Kiwamu Tokuhisa | Nippon Steel Chemical Co. | 1 |
| 2 | Akira Tokumitsu | Nippon Steel Chemical Co. | 1 |
| 2 | Hiroo Ishibashi | Nippon Steel | 1 |
| 2 | Toyoichiro Higashi | Nippon Steel | 1 |
| 2 | Nobutaka Shimizu | Fujitsu Limited | 1 |
| 2 | Naoto Takeda | Teac | 1 |
| 2 | Hiroaki Masui | Nippon Steel | 1 |
| 2 | Tsutomu Haeno | Nippon Steel | 1 |
| 2 | Ritsuo Nakajima | Unknown | 1 |
| 2 | Shinji Kiyono | Mitsui Chemicals | 1 |
| 2 | Kenichiroh Matsumura | Nippon Steel & Sumitomo Metal | 1 |