Investors are also awaiting the release early on Thursday of South Korean economic growth data for the final quarter of 2013, which analysts in a Reuters survey expect to show some slowing in quarterly growth.
The yield on the benchmark 10-year treasury bonds added 2.1 basis points to 3.683 percent.
In futures trading, the lead March contract on three-year treasury bonds lost 0.03 point to 105.57, its lowest close since Jan. 3.