The Japanese government raised Tuesday the coupon rate for new 10-year government bonds to above 1 percent for the first time in some 12 years, reflecting recent rises in long-term interest rates stemming from the Bank of Japan’s tweaks to monetary policy. The Finance Ministry hiked the coupon rate — the annual rate of interest paid to investors — for the benchmark bonds to be issued Wednesday from 0.8 percent to 1.1 percent. The last time the rate was set above 1.0 percent was in April 2012, a year before the central bank embarked on its unorthodox monetary easing program designed to lift J…