Ten-year JGB futures fell 0.08 points to 152.73, with a trading volume of 24,819 lots.

The key 10-year cash JGB yield rose one basis point to minus 0.040 percent.

The super-long sector followed suit, with the 20-year  and the 30-year yields adding one basis point each to 0.390 percent and 0.565 percent, respectively.

Japan's longest 40-year yield climbed 1.5 basis points to 0.630 percent.

On Tuesday, the benchmark German 10-year Bund yield  rose 2.3 basis points to 0.113 percent, driving the 10-year U.S. Treasury yield up along with it by 1.1 basis points to 2.612 percent.