Top Inventors at Hirata 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Bungo Matsumoto | 1 |
| 2 | Hirohiko Sakanashi | 1 |
| 3 | Hisayuki Sueoka | 1 |
| #4 | Itsuo Fujiwara | 1 |
| #5 | Keisuke Teramoto | 1 |
| #6 | Kinya Kagami | 1 |
| #7 | Koichi Hokimoto | 1 |
| #8 | Kosei Kino | 1 |
| #9 | Koshi Mine | 1 |
| #10 | Mitsuhiro Noda | 1 |
| #11 | Seiji Matsuda | 1 |
| #12 | Shuichi Komuro | 1 |
| #13 | Takeru Higuchi | 1 |
| #14 | Toshimi Yabuta | 1 |
| #15 | Tsutomu NAKAUCHI | 1 |
| #16 | Yasuaki Kuroki | 1 |
| #17 | Yoichi Hirasawa | 1 |
| #18 | Yoichi Matsushita | 1 |
| #19 | Yuichi Iwata | 1 |
| #20 | Yutaro Maruno | 1 |