TOKYO, April 13 (Reuters) - Japan's leading share index is expected to open higher on Friday, tracking gains in Wall Street on speculation that China's growth figures would be stronger than expected. Gains could be limited, however, with a firmer yen and on concerns that North Korea's ballistic rocket launch could further raise tensions on the Korean peninsula. The Nikkei was likely to trade between 9,500 and 9,700, strategists said, while Nikkei futures in Chicago closed at 9,600 on Thursday, up 60 points or 0.6 percent from the Osaka close of 9,540. "Japanese stocks will chase the upside following the U.S.