Showing 1–14 of 14 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Kohki Ichikawa | Denka Company Limited | 2 |
| 2 | Hajime Yonezawa | — | 1 |
| 2 | Akinori Nagatomo | Mitsui Chemicals | 1 |
| 2 | Yuji SHIGEYOSHI | Nippon Yttrium Co. | 1 |
| 2 | Masaru Kawaguchi | Mitsui Chemicals | 1 |
| 2 | Yasuhiro Seto | Fujifilm | 1 |
| 2 | Yoshitaka MINAKATA | Denka Company Limited | 1 |
| 2 | Saori INOUE | Denka Company Limited | 1 |
| 2 | Akimasa YUASA | Denka Company Limited | 1 |
| 2 | Kento MATSUKURA | Nippon Yttrium Co. | 1 |
| 2 | Shoji IMAURA | Mitsui Mining & Smelting Co. | 1 |
| 2 | Taiki Nishi | Denka Company Limited | 1 |
| 2 | Daiki IKEDA | Denka Company Limited | 1 |
| 2 | Kouji Miyata | Sony | 1 |