A pedestrian holding an umbrella walks past an electronic board showing prices of Japan's Nikkei average in Tokyo.

The Bank of Japan may confound the chorus of analysts calling for further easing at its policy meeting Friday after industrial production data Thursday came in better than expected.

With the central bank's inflation target of 2 percent by the middle of next year still looking tough to hit and much of Japan's other economic data painting a mixed picture, expectations have grown that the BOJ would step up its already massive quantitative easing (QE) program on Friday.