Top Inventors at Kantatsu Co. 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Hitoshi Hirano | 9 |
| 2 | Hisao Fukaya | 8 |
| 3 | Kenichi Kubota | 8 |
| #4 | Yoji Kubota | 8 |
| #5 | Masaya Hashimoto | 6 |
| #6 | Yukio Sekine | 6 |
| #7 | Tomohiro Yonezawa | 4 |
| #8 | Eiji OSHIMA | 3 |
| #9 | Kaoru Yamazaki | 2 |
| #10 | Kazutaka Noborimoto | 1 |
| #11 | Koji Nitta | 1 |
| #12 | Koji Yoshikawa | 1 |
| #13 | Nobuyuki Ohtsu | 1 |
| #14 | Shingo Yuza | 1 |
| #15 | Tomio Kusakabe | 1 |