Top Inventors at Showa 2020
| Rank | Name | Patents |
|---|---|---|
| 1 | Toshio Nishikawa | 8 |
| 2 | Fumiaki Ishikawa | 1 |
| 3 | Hiroyuki Miyata | 1 |
| #4 | Kazuhiro Miwa | 1 |
| #5 | Ken Issiki | 1 |
| #6 | Kimio Ito | 1 |
| #7 | Koichi Shibusawa | 1 |
| #8 | Kohei Yamamoto | 1 |
| #9 | Naoya KUROIWA | 1 |
| #10 | Ryoma Kanda | 1 |
| #11 | Seiryo Konakai | 1 |
| #12 | Shigeki Awasa | 1 |
| #13 | Takahiko Saito | 1 |
| #14 | Tomohiro Yamazaki | 1 |
| #15 | Yoshimitsu Komuro | 1 |
| #16 | Yosuke Murakami | 1 |
| #17 | Yukihiro Orimoto | 1 |