Japan won gold medals in three out of five weight classes held Sunday, the final day of the three-day Judo Grand Slam in Budapest, Hungary.
In men's action, Kentaro Iida beat Varlam Liparteliani of Georgia via yusei decision to win the 100-kilogram title at Laszlo Papp Budapest Sports Arena. Sanshiro Murao won the men's 90kg title.
Wakaba Tomita earned a shido penalty win over Tokyo Olympic silver medalist Idalys Ortiz of Cuba to secure the women's over-78kg title.
Japan's Shori Hamada clinched the women's 78kg bronze in her first international competition since the Tokyo Olympics last summer.
No Japanese competed in the men's over-100kg heavyweight category, won by French judo star Teddy Riner.
Japan topped the medal tally with eight gold medals, followed by Italy and Brazil with one gold each.