Torii Pharmaceutical Co., Ltd., a Tokyo-based Japanese firm established in 1872, specializes in the development and commercialization of a variety of pharmaceutical products. Its therapeutic portfolio features Riona, a medication addressing hyperphosphatemia, and REMITCH, an oral treatment for pruritus commonly experienced by patients undergoing dialysis or suffering from liver diseases. The company also produces ANTEBATE, a topical solution for skin ailments such as atopic and contact dermatitis, which functions by reducing inflammation.