Top Inventors at Tsubakimoto Chain 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Yuji Kurematsu | 8 |
| 2 | Masanori Watanabe | 6 |
| 3 | Kazuyuki Ebinuma | 2 |
| #4 | Osamu Yoshida | 2 |
| #5 | Tsuyoshi Kabai | 2 |
| #6 | Yoji Sato | 2 |
| #7 | Yudai Takagi | 2 |
| #8 | Hirokazu Sano | 1 |
| #9 | Masahiko Konno | 1 |
| #10 | Munehiro Maeda | 1 |
| #11 | Tomohiro Fuse | 1 |
| #12 | Tomohiko Onishi | 1 |
| #13 | Yoshihiro Furubayashi | 1 |
| #14 | Yoshitaka Iwasaki | 1 |
| #15 | Yuichiro Ishikawa | 1 |