Top Inventors at Cnk Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Hiroyuki Hashitomi | 3 |
| 2 | Junji Ando | 3 |
| 3 | Tomoo Suzuki | 3 |
| #4 | Daigo Yamamoto | 2 |
| #5 | Kazuyoshi Yamakawa | 2 |
| #6 | Masahiro Suzuki | 2 |
| #7 | Tomoki Ogawa | 2 |
| #8 | Hiroto Kamei | 1 |
| #9 | Hidenori Sano | 1 |
| #10 | Minoru Yamazaki | 1 |
| #11 | Nobumitsu Hori | 1 |
| #12 | Nobuyoshi Yoshimura | 1 |
| #13 | Shigeyuki Kato | 1 |
| #14 | Tetsuya Matsumoto | 1 |
| #15 | Tetsuaki Wada | 1 |
| #16 | Toshiya Kubo | 1 |
| #17 | Toshiyuki Saito | 1 |
| #18 | Akinori Iwai | 1 |