Top Inventors at Nippon Yttrium Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Naoki FUKAGAWA | 8 |
| 2 | Ryuichi Sato | 5 |
| 3 | Kento MATSUKURA | 4 |
| #4 | Yuji SHIGEYOSHI | 4 |
| #5 | Seiji Moriuchi | 2 |
| #6 | Masahiro Fukumoto | 1 |
| #7 | Motohiro Yamada | 1 |
| #8 | Satoshi Ariyoshi | 1 |
| #9 | Shuki Mikoda | 1 |
| #10 | Yuki Nakashima | 1 |