Top Inventors at Okuma 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Shoichi MORIMURA | 3 |
| 2 | Yasukazu Hayashi | 3 |
| 3 | Takumi Hongo | 2 |
| #4 | Akihide Hamaguchi | 1 |
| #5 | Hiroyuki Sugiura | 1 |
| #6 | Hiroshi Ueno | 1 |
| #7 | Katsuya Hioki | 1 |
| #8 | Koji Tsuchida | 1 |
| #9 | Masayuki Ando | 1 |
| #10 | Makoto Yoshida | 1 |
| #11 | Motozumi Yura | 1 |
| #12 | Noriyuki Fukui | 1 |
| #13 | Reiji KANBE | 1 |
| #14 | Ryosuke Sasaki | 1 |
| #15 | Satoshi Eguchi | 1 |
| #16 | Shunsuke FUJIMAKI | 1 |
| #17 | Shinji Uemura | 1 |
| #18 | Takashi Norihisa | 1 |
| #19 | Tatsuya Shizu | 1 |
| #20 | Takaaki Tanaka | 1 |
| #21 | Takanori Yokochi | 1 |
| #22 | Tomoharu Ando | 1 |
| #23 | Yosuke Ichigi | 1 |