Toyo-Sasaki glass company began when two of the oldest glass manufacturing companies in Japan merged, Toyo (est. 1878) and Sasaki (est. 1902). Toyo-Sasaki debuted the HS range in 1967 as Japan’s first toughened glass drinkware brand. The HS brand has since been appreciated as the industry standard for over 50 years by the Japanese food service and hospitality sector.