Japan's Uta Abe defended her title in the women's 52-kilogram division at the judo world championships on Monday.Joshiro Maruyama won the men's 66-kg class in his world championship debut on the second day of the week-long tournament. He defeated Abe's brother and two-time defending champion Hifumi in an all-Japan semifinal clash before winning the title.In the women's 52-kg final, Abe only needed 30 seconds to seal her victory against Russia's Natalia Kuziutina. She threw the reigning Olympic bronze medalist for an ippon victory at Tokyo's Nippon Budokan, the venue for next year's Summer G…READ FULL ARTICLE