Sumitomo Riko Co. Ltd. (TYO:5191) has held a ceremony to formally mark the start of construction on a new R&D center. The facility will be established under SumiRiko AVS Germany GmbH, a subsidiary devoted to the R&D and sales of anti-vibration rubber for vehicles and based in Hesse, Germany. Under construction with a budget of approximately 10 million euros ($11.62…