Top Inventors at Suisaku Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Yonekichi Ogawa | 5 |
| 2 | Etsuko Kaitani | 2 |
| 3 | Soichi Ogawa | 1 |
| #4 | Yasuhiro Ogawa | 1 |
| #5 | Yutaka Yoshida | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Yonekichi Ogawa | 5 |
| 2 | Etsuko Kaitani | 2 |
| 3 | Soichi Ogawa | 1 |
| #4 | Yasuhiro Ogawa | 1 |
| #5 | Yutaka Yoshida | 1 |