Top Inventors at Keihin Ramtech Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Hiroshi Iwata | 5 |
| 2 | Ippei SATO | 1 |
| 3 | Keiichi Hashimoto | 1 |
| #4 | Naoya Okada | 1 |
| #5 | Naonori SHIBATA | 1 |
| #6 | Toshiyuki NEDU | 1 |
| #7 | Yuta TAKAKUWA | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Hiroshi Iwata | 5 |
| 2 | Ippei SATO | 1 |
| 3 | Keiichi Hashimoto | 1 |
| #4 | Naoya Okada | 1 |
| #5 | Naonori SHIBATA | 1 |
| #6 | Toshiyuki NEDU | 1 |
| #7 | Yuta TAKAKUWA | 1 |