Hisamitsu America Inc

The Hisamitsu Pharmaceutical Co., Inc. , headquartered in Tosu and Tokyo, is a Japanese multinational pharmaceutical corporation that develops and markets prescription and over-the-counter drug (OTC) products, especially external pain relieving products such as the transdermal patch. Hisamitsu has specialised in transdermal drug delivery system technology (TDDS) since the introduction of its original line of patches in 1903.