Known history dates back to A.D 815, when tea drinking started in Japan .This was powdered green tea matcha.Then in the late 16th century leaf tea – sencha was introduced from China to Japan .Leaf tea was easier to make than matcha, so it became popular.Many kinds of leaf tea drunk in Japan –Gyokuro,Sencha ,Bancha,Hojicha,Genmaicha,Kobucha etc.