| Conversions | Players | VS Club | Date | |
|---|---|---|---|---|
| 3 | Jumpei Ogura | Romania | 10-06-2017 | Match details |
| 2 | Yu Tamura | Argentina | 05-11-2016 | Match details |
| 2 | Yu Tamura | Wales | 19-11-2016 | Match details |
| 2 | Yu Tamura | Fiji | 26-11-2016 | Match details |
| 2 | Rikiya Matsuda | Ireland | 17-06-2017 | Match details |
| 1 | Timothy Lafaele | Wales | 19-11-2016 | Match details |
