The Japan international became the 10th player from outside Britain and Ireland to hit a treble for the club.
So this week's trivia question is:
Can you name the other nine overseas players to net a hat-trick for United?
Check out the answers here.
More trivia questions: Scored cup goals against United | 3-2 comebacks | Earliest away goals at OT | Goalkeepers meeting the Reds | Oldest scorers in Premier League | Internationals at Old Trafford | Old Trafford penalties | England's seven Reds | Alan Hardaker Trophy winners | Scored against United | United stars at European Championship | Goals for England