Sports goods manufacturer Mizuno Corp. (TYO: 8022) has co-developed Q3, a new table tennis rubber, with Sumitomo Riko Co. Ltd. (TYO: 5191). The product will be sold starting Oct. 7 at Mizuno stores across Japan that handle table tennis goods. The two companies aim to sell 24,000 units globally in the first year. Q3 targets advanced players with a high speed…