The social gaming company, backed by Nissei, Mitsubishi UFJ and Tecmo Koei, could be valued at over $300m, and has long term intentions to diversify.

Japan-based games provider Gumi is set to file for an initial public offering this year, Tech in Asia has reported, citing comments made by CEO Hironao Kunimitsu at the Startup Asia Singapore 2014 event yesterday.

Gumi raised about $25m in 2011 from private equity firm Nissei Capital, the corporate venturing unit for industrial product maker Nissei, Mitsubishi UFJ Capital, the investment arm of Mitsubishi UFJ Financial Group, games developer Tecmo Koei, DBJ Capital, Shinsei Bank and JAFCO, and followed that…