Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Akinori Ryu | Mitsui Chemicals | 4 |
| 2 | Chitoshi Shimakawa | Mitsui Chemicals | 2 |
| 3 | Hisaji Yoshida | Mitsui Toatsu Chemicals, Incorporated | 1 |
| 3 | Norimichi Matsuoka | Fujimiyaseisakusho Co. | 1 |
| 3 | Yasuhiko Futamura | Compagnie Generale Des Etablissements Michelin | 1 |
| 3 | Masayuki Furuya | Mitsui Chemicals | 1 |
| 3 | Kouji Suesugi | Mitsui Chemicals | 1 |