Defending champion Masato Uchishiba wins gold in the men's light-weight Olympic judo final. Uchishiba, 30, scored an ippon on Benjamin Darbelet of France with a shoulder throw 68 seconds into the match. The Japanese judoka who won the Olympic gold medal in the men's 66kg-class in Athens finished second in the 2005 world championships and fifth in the 2008 Asian competition.