Showing 1–15 of 15 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yuichiro Terashi | Mitsui Petrochemical Industries | 3 |
| 1 | Yasuo Hamamoto | Sumitomo Electric Industries | 3 |
| 3 | Mitsugu Terada | Mitsui Petrochemical Industries | 2 |
| 3 | Mitsuru Akaho | Maruzen Petrochemical Co. | 2 |
| #5 | Hiroshi Kawato | Idemitsu Kosan Co. | 1 |
| #5 | Takaharu Kawamoto | Nippon Steel | 1 |
| #5 | Motoo Kabeya | Nippon Steel | 1 |
| #5 | Yoshio Shindou | Nippon Steel | 1 |
| #5 | Yasutaka Nawata | Nippon Steel | 1 |
| #5 | Yoshiyuki Watanbe | Nippon Steel | 1 |
| #5 | Keiichiro Ohno | Praxair S.T. Technology | 1 |
| #5 | Shinichi Shimomura | Nippon Steel | 1 |
| #5 | Shuichi Shiozawa | Nippon Steel | 1 |
| #5 | Koji Hirashima | Nippon Steel Chemical Co. | 1 |
| #5 | Naoto Takeda | Teac | 1 |