Top Inventors at Dc Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Henri G. W. Pierson | 12 |
| 2 | Kiyoshi Koibuchi | 3 |
| 3 | Nobukazu Nito | 3 |
| #4 | Kenichiro Nakarai | 2 |
| #5 | Hiroshi Hirao | 1 |
| #6 | Kazuo Yamada | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Henri G. W. Pierson | 12 |
| 2 | Kiyoshi Koibuchi | 3 |
| 3 | Nobukazu Nito | 3 |
| #4 | Kenichiro Nakarai | 2 |
| #5 | Hiroshi Hirao | 1 |
| #6 | Kazuo Yamada | 1 |