Hiroyuki Hirakawa, director and senior corporate officer, head of Elastomers and Chemicals Business Headquarters, and division manager–Synthetic Rubber, Zeon Corp. (TYO:4205), spoke about his company’s strategy. According to Hirakawa, specialty rubber is Zeon’s mainstay. The company’s acrylic rubber (AR) is in full production. Total output, however, has not been growing as anticipated because the grades with increasing shipment volumes are…