Medrx Co. Ltd. engages in the business of pharmaceutical drug development based on the transdermal absorption. It develops new value-added medicines by the drug formulation technology based on ILTS (Ionic Liquid Transdermal System), a unique technologies using ionic liquid and unique transdermal drug delivery technology using nano-sized colloid transdermal system for drugs. The company was founded by Masayoshi Matsumura on January 15, 2002 and is headquartered in Higashikagawa, Japan.