Koa Shoji Holdings Co.,Ltd., through its subsidiaries, imports and sells active pharmaceutical ingredients (APIs) in Japan. The company is involved in the manufacture and marketing of over-the-counter drugs and pharmacologically active injection. It also engages in contract manufacturing of pharmaceuticals; and purchase and sale of pharmaceuticals. Koa Shoji Holdings Co.,Ltd. was founded in 1991 and is headquartered in Yokohama, Japan.