Top Inventors at Seikagaku 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Hikaru Mizumura | 3 |
| 2 | Toshio Oda | 3 |
| 3 | Chiyo Sakenaga | 2 |
| #4 | Kazutaka Yamamoto | 2 |
| #5 | Keiichiro Arai | 2 |
| #6 | Maki Aizawa | 2 |
| #7 | Masamichi Yamada | 2 |
| #8 | Sho Funayama | 2 |
| #9 | Takahiro Hatanaka | 2 |
| #10 | Akihiro Takezawa | 1 |
| #11 | Kazuyuki KANO | 1 |
| #12 | Katsuya Takahashi | 1 |
| #13 | Koichi Makimura | 1 |
| #14 | Kumi Inoue | 1 |
| #15 | Muneto Narita | 1 |
| #16 | Risa NODERA | 1 |
| #17 | Shun-ichiro KAWABATA | 1 |
| #18 | Takayuki Seo | 1 |
| #19 | Tomokazu Matsue | 1 |
| #20 | Yosuke Yasuda | 1 |
| #21 | Yuji Nobuoka | 1 |
| #22 | Yuko Yoshida | 1 |