Top Inventors at Wako Filter Technology Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Akira Saito | 5 |
| 2 | Hiroki Kageshima | 3 |
| 3 | Kazumi Hayama | 3 |
| #4 | Shigeru Abe | 3 |
| #5 | Yoichi Murakami | 3 |
| #6 | Miho Abe | 2 |
| #7 | Miki Takahashi | 2 |
| #8 | Akio Kato | 2 |
| #9 | Kenji Shiraishi | 1 |
| #10 | Naoto Kikuchi | 1 |
| #11 | Naho Maruyama | 1 |
| #12 | Naoki Natori | 1 |
| #13 | Tsuneo Yamaguchi | 1 |