The yield on the No. 304, 1.3 percent issue, a key indicator of long- term interest rates, ended interdealer trading up 0.025 percentage point from Monday's close to 1.400 percent. Japanese markets were closed Tuesday for a national holiday.
The price of the key December futures contract for 10-year bonds lost 0.31 point to 137.96 on the Tokyo Stock Exchange.
Trading was cautious as the market awaited the results of the U.S. Federal Open Market Committee meeting later Wednesday, traders said.