Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hiroshi Yui | Mitsubishi Petrochemical Company Limited | 2 |
| 1 | Yasutaka Ota | Toda Kogyo | 2 |
| 3 | Keiji Kawamoto | Mitsui Petrochemical Industries | 1 |
| 3 | Takayuki Mende | Mitsui Petrochemical Industries | 1 |
| 3 | Teruo Masuda | France Bed Co. | 1 |
| 3 | Kazumi Okamura | Mazda Motor | 1 |