Top Inventors at Suiken Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Toshiyuki Sato | 13 |
| 2 | Tamotsu Yamashita | 8 |
| 3 | Taihei Yokoyama | 4 |
| #4 | Yasunari Sato | 3 |
| #5 | Gumpei Yokoyama | 2 |
| #6 | Hideshige Homma | 2 |
| #7 | Gunpei Yokoyama | 1 |
| #8 | Jun Otsuka | 1 |
| #9 | Soichi Ogawa | 1 |
| #10 | Tadayuki Kaida | 1 |
| #11 | Toshihiko Shimizu | 1 |