Top Inventors at Buncho All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Koji Seki | 7 |
| 2 | Yoshimi Kano | 4 |
| 3 | Kenkichi Yoshida | 2 |
| #4 | Masamichi Yoshida | 2 |
| #5 | Yosimi Kano | 2 |
| #6 | Atsushi Kaneko | 1 |
| #7 | Jung Han Sin | 1 |
| #8 | Ryoichi Seki | 1 |
| #9 | Jiro Usui | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Koji Seki | 7 |
| 2 | Yoshimi Kano | 4 |
| 3 | Kenkichi Yoshida | 2 |
| #4 | Masamichi Yoshida | 2 |
| #5 | Yosimi Kano | 2 |
| #6 | Atsushi Kaneko | 1 |
| #7 | Jung Han Sin | 1 |
| #8 | Ryoichi Seki | 1 |
| #9 | Jiro Usui | 1 |