Christinna Pedersen
In 2009, she started to team-up with Shintaro Ikeda from Unisys, and in May 2010, Shiota also join the Unisys team. Shiota and Ikeda well-known as "Ikeshio", and they reaching the final round at the 2010 Dutch Open, 2011 German and Russian Open, and also in the BWF Superseries tournament at the 2012 Singapore Open, but they only finished as the runner-up. The Ikeshio participated at the 2012 Olympic Games in London, but the duo did not advance to the knock-out stage, after placing third in the group stage. At the competition, they won a match to Canadian pair Toby Ng and Grace Gao in the rubber games with the score 21–10, 11–21, 21–15, and lost in the straight games to Joachim Fischer Nielsen and Christinna Pedersen of Denmark, and Robert Mateusiak and Nadieżda Kostiuczyk of Poland in group B stage.