Top Inventors at Tpr Co. 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Koichi Hatakeyama | 3 |
| 2 | Akira Sato | 2 |
| 3 | Mako Abe | 2 |
| #4 | Hidemi Kato | 1 |
| #5 | Hirofumi Osada | 1 |
| #6 | Kiyoyuki Kawai | 1 |
| #7 | Seeroku HOSHINO | 1 |
| #8 | Seiji Tamaki | 1 |
| #9 | Takashi Sato | 1 |
| #10 | Takeshi Wada | 1 |
| #11 | Tomoki Takiguchi | 1 |
| #12 | Yasutomo TOKAIRIN | 1 |
| #13 | Yoshihiko Aoki | 1 |
| #14 | Yuusuke Okuyama | 1 |