1645 : The Legend Begins

Gihei Hamaguchi, founder of YAMASA Corporation began producing soy sauce in Choshi, Chiba prefecture. With its humid climete, cool summers and warm winters, It is the perfect location for producing great tasting soy sauce. Since then, we have continued to produce the very best soy sauce using state-of-the-art technology and traditional brewing methods that remain unchanged since 1645.