Top Inventors at Shiroki 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Kenji Yamamoto | 4 |
| 2 | Takanori Sato | 4 |
| 3 | Kazuki NATSUME | 3 |
| #4 | Kazuya Yokoyama | 3 |
| #5 | Koji Kumagai | 3 |
| #6 | Hidehiko Fujioka | 2 |
| #7 | Kimihiro Kinoshita | 2 |
| #8 | Kunihiro Mikasa | 2 |
| #9 | Natsuki Ito | 2 |
| #10 | Noriyuki Sakurai | 2 |
| #11 | Takuya Nishio | 2 |
| #12 | Atsushi Muramatsu | 1 |
| #13 | Jiro Yoshihara | 1 |
| #14 | Kenichi Suzuki | 1 |
| #15 | Koichi Morita | 1 |
| #16 | Koji Yoshida | 1 |
| #17 | Kyohei Sasanuma | 1 |
| #18 | Masatoshi Koto | 1 |
| #19 | Naoki Tsutsumi | 1 |
| #20 | Noriaki Maeda | 1 |
| #21 | Ryuta Yamasaki | 1 |
| #22 | Shunsuke Aoki | 1 |
| #23 | Toshiaki Nagata | 1 |
| #24 | Toshifumi Yanai | 1 |
| #25 | Yuki Abe | 1 |
| #26 | Yuta KAJIMOTO | 1 |
| #27 | Yuto Kogune | 1 |
| #28 | Yuta MURAKAMI | 1 |