Top Inventors at Yupo 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Hiroshi Koike | 3 |
| 2 | Yutaro SUGAMATA | 2 |
| 3 | Atsushi Sone | 1 |
| #4 | Hidekazu Kodama | 1 |
| #5 | Kunio Hiyama | 1 |
| #6 | Seiichiro Iida | 1 |
| #7 | Shinsuke ASHIDA | 1 |
| #8 | Suguru Sasaki | 1 |
| #9 | Tamio Shikano | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Hiroshi Koike | 3 |
| 2 | Yutaro SUGAMATA | 2 |
| 3 | Atsushi Sone | 1 |
| #4 | Hidekazu Kodama | 1 |
| #5 | Kunio Hiyama | 1 |
| #6 | Seiichiro Iida | 1 |
| #7 | Shinsuke ASHIDA | 1 |
| #8 | Suguru Sasaki | 1 |
| #9 | Tamio Shikano | 1 |