Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Chitoshi Shimakawa | Mitsui Chemicals | 2 |
| 1 | Norimichi Matsuoka | Fujimiyaseisakusho Co. | 2 |
| 1 | Akinori Ryu | Mitsui Chemicals | 2 |
| #4 | Kouji Suesugi | Mitsui Chemicals | 1 |
| #4 | Masayuki Furuya | Mitsui Chemicals | 1 |