| Roles | Referee | |
|---|---|---|
| Sex | Female | |
| Full name | Masako•Kubota | |
| Used name | Masako•Kubota | |
| Original name | 久保田•雅子 | |
| Other names | まさこ くぼた | |
| Born | 24 October 1953 in Morioka, Iwate |  JPN |
| NOC | Japan | JPN |
| Games | Sport (Discipline) / Event | NOC / Team | Phase | Unit | Role | As | |
|---|---|---|---|---|---|---|---|
| 2010 Winter Olympics | Figure Skating (Skating) | JPN |
Masako Kubota | ||||
| Singles, Men (Olympic) | Short Program | Short Program | Judge #8 | ||||
| 2022 Winter Olympics | Figure Skating (Skating) | JPN |
Masako Kubota | ||||
| Singles, Men (Olympic) | Short Program | Short Program | Judge #4 | ||||
| Singles, Men (Olympic) | Free Skating | Free Skating | Judge #3 | ||||
| Team, Mixed (Olympic) | Men's Short Program | Men's Short Program | Judge #8 | ||||
| Team, Mixed (Olympic) | Men's Free Skating | Men's Free Skating | Judge #1 |
