After winning 58 Olympic medals at Tokyo 2020, Japan collected 45 at the Paris Games, including 20 gold, and earned medals in 16 different sports.
Japan increased its wrestling gold-medal haul to five with the possibility of more to come at the Champ-de-Mars Arena in the French capital.
Fujinami, a 20-year-old Olympic debutante, capped a dominant run in Paris with a display of technical superiority in the 53-kilogram division final.