HARIO has been designing beautiful heatproof glassware since the 1920's. The company has been dedicated to the design, production, and sale of heatproof glass since it was founded in 1921 and is the only heatproof glass manufacturer in Japan to have a factory. In 1948, Hario expanded their production to household items, starting with the coffee syphon. Now an iconic brand in specialty coffee, Hario continues to win awards and develop remarkable quality tea and coffee equipment.