Top Inventors at Kantatsu Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Yoji Kubota | 145 |
| 2 | Hitoshi Hirano | 133 |
| 3 | Kenichi Kubota | 132 |
| #4 | Tomohiro Yonezawa | 65 |
| #5 | Masaya Hashimoto | 64 |
| #6 | Hisao Fukaya | 61 |
| #7 | Yoshio Ise | 44 |
| #8 | Yukio Sekine | 32 |
| #9 | Ichiro Kurihara | 26 |
| #10 | Sayuri Noda | 22 |
| #11 | Hisanori Suzuki | 9 |
| #12 | Shingo Yuza | 9 |
| #13 | Tohru Ishizaka | 7 |
| #14 | Koji Nitta | 6 |
| #15 | Kenichi Kamada | 5 |
| #16 | Eiji OSHIMA | 4 |
| #17 | Kazuo Matsuoka | 4 |
| #18 | Kaoru Yamazaki | 4 |
| #19 | Sumio Fukuda | 3 |
| #20 | Shingo Watanabe | 2 |
| #21 | Hiroshi Watanabe | 1 |
| #22 | Kazutaka Noborimoto | 1 |
| #23 | Koji Yoshikawa | 1 |
| #24 | Makoto Ikeda | 1 |
| #25 | Nobuyuki Ohtsu | 1 |
| #26 | Norimichi Shigemitsu | 1 |
| #27 | Shigeru Endo | 1 |
| #28 | Takanori Sato | 1 |
| #29 | Tomio Kusakabe | 1 |
| #30 | Yoshihito Ishizue | 1 |
| #31 | Yoshikazu Terai | 1 |
| #32 | Akio SAKUMA | 1 |