In the early 1930s, Aladdin, a well-known American brand, and a British man established a joint venture called Aladdin UK Ltd. The prototype for the Blue Heater was developed by a separate British company, and the two companies later merged. Yanase began importing it to Japan in 1957, and it became a hit after being featured and praised in the 1961 "Kurashi no Techo" magazine.