Top Inventors at Daihen 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Ryusuke Tsubota | 4 |
| 2 | Tatsuya Morii | 4 |
| 3 | Yohei Oka | 4 |
| #4 | Akira Okamoto | 3 |
| #5 | Junichi Tanaka | 3 |
| #6 | Akihiro Ohori | 2 |
| #7 | Hiroshi Nakagiri | 2 |
| #8 | Hiroaki Okubo | 2 |
| #9 | Kenji Omata | 2 |
| #10 | Kota Hoshijima | 2 |
| #11 | Masato Kikukawa | 2 |
| #12 | Mamoru Takemura | 2 |
| #13 | Motonori Nishida | 2 |
| #14 | Nan Jiang | 2 |
| #15 | Ryouhei Tanaka | 2 |
| #16 | Sohei Uchida | 2 |
| #17 | Takeshi Maruyama | 2 |
| #18 | Takayuki Nakamoto | 2 |
| #19 | Takahiro SUGAHARA | 2 |
| #20 | Yoshito Nishizawa | 2 |
| #21 | Akihiro Ide | 1 |
| #22 | Daisuke Tsukiyama | 1 |
| #23 | Haruhiko Manabe | 1 |
| #24 | Hirokazu Kawai | 1 |
| #25 | Hiroyuki Kotani | 1 |
| #26 | Hiroyasu Mondori | 1 |
| #27 | Hideo Shiozaki | 1 |
| #28 | Jun Iura | 1 |
| #29 | Kazuki Yoshida | 1 |
| #30 | Kento TAKADA | 1 |
| #31 | Kohei Ono | 1 |
| #32 | Masayuki Nakahama | 1 |
| #33 | Masao Yokota | 1 |
| #34 | Naruaki Shinomiya | 1 |
| #35 | Nobuyuki Hattori | 1 |
| #36 | Satoru Hata | 1 |
| #37 | Songjie Hou | 1 |
| #38 | Sousuke Nakamura | 1 |
| #39 | Takafumi Hanao | 1 |
| #40 | Takahiro Miyaura | 1 |
| #41 | Toshiaki Nakamata | 1 |
| #42 | Yoshinori Tsuruda | 1 |