Answer
Takahashi's two gold medals at the Four Continents Championships came in the years 2008 and 2011. In the 2008 competition held in Goyang, South Korea, Takahashi triumphed in both the men's singles and the men's team events. His second golden double occurred at the 2011 championships in Taipei, Taiwan, where he once again claimed the top spot in both the men's singles and men's team competitions.