Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Shinsuke Ito | Mitsui Chemicals | 3 |
| 2 | Shuichi Tateoka | Mitsui Mining & Smelting Co. | 1 |
| 2 | Nigel RIBEIRO | Mitsui Chemicals | 1 |
| 2 | Hirochika Ogawa | Mitsui Mining & Smelting Co. | 1 |
| 2 | Kento MATSUKURA | Nippon Yttrium Co. | 1 |
| 2 | Yuuki KASORI | Mitsui Chemicals | 1 |
| 2 | Go TAKEDA | Denka Company Limited | 1 |