Top Inventors at P.C. Campana All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | David L. Campana, Sr. | 2 |
| 2 | Patsie C. Campana | 2 |
| 3 | Takeo Fukizawa | 2 |
| #4 | Kazuyuki Harada | 1 |
| #5 | Toshio Nakajima | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | David L. Campana, Sr. | 2 |
| 2 | Patsie C. Campana | 2 |
| 3 | Takeo Fukizawa | 2 |
| #4 | Kazuyuki Harada | 1 |
| #5 | Toshio Nakajima | 1 |