Top Inventors at Powdertech Co. 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Hiroki Sawamoto | 6 |
| 2 | Tetsuya Uemura | 6 |
| 3 | Koji Aga | 4 |
| #4 | Tetsuya Igarashi | 3 |
| #5 | Takashi Kojima | 2 |
| #6 | Takao Sugiura | 2 |
| #7 | Atsushi Nil | 1 |
| #8 | Aya Sakuta | 1 |
| #9 | Hajime Akiba | 1 |
| #10 | Kazutaka ISHII | 1 |
| #11 | Makoto Ishikawa | 1 |
| #12 | Shinya Hanyu | 1 |
| #13 | Takeshi Naito | 1 |
| #14 | Yuji Ito | 1 |
| #15 | Yuzuru YAMASAKI | 1 |