Japan won three gold medals Friday on the opening day of the Dusseldorf Judo Grand Slam, with siblings Uta and Hifumi Abe both topping the podium.Nineteen-year-old sensation Uta claimed the women's 52-kilogram gold with victory over French rival Amandine Buchard, while 22-year-old Hifumi won his eighth Grand Slam title in a thrilling men's 66-kg final against Georgia's Vazha Margvelashvili.Three-time world champion Naohisa Takato was the country's other gold medalist on Day 1 of the Grand Slam, which serves as an Olympic qualifier, securing a place at this summer's Tokyo Games with victory …READ FULL ARTICLE