Top Inventors at Nippon Filing Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Yoshiro Yamaguchi | 3 |
| 2 | Jyunjirou Kanazuka | 2 |
| 3 | Empei Tajima | 1 |
| #4 | Masaaki Akagi | 1 |
| #5 | Takayuki Okayama | 1 |
| #6 | Jinichi Yoshie | 1 |
| #7 | Raysabro Oye | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Yoshiro Yamaguchi | 3 |
| 2 | Jyunjirou Kanazuka | 2 |
| 3 | Empei Tajima | 1 |
| #4 | Masaaki Akagi | 1 |
| #5 | Takayuki Okayama | 1 |
| #6 | Jinichi Yoshie | 1 |
| #7 | Raysabro Oye | 1 |