Astellas Pharma Inc. is a Japan-based company mainly engaged in the pharmaceutical business. The Company is involved in the manufacture and sale of pharmaceutical products in Japan, the United States, Europe, China, Korea and Taiwan, through its subsidiaries. Its main products include immunosuppressive drug Prograf, overactive bladder agent Vesicare, Protopic ointment for atopic dermatitis, Harnal for prostatic and urethral smooth muscle, and antimycotic agent Funguard, among others. It also provides pharmaceutical products for gastritis, chronic hepatitis C, irritable bowel syndrome, osteoporosis, hypertension, schizophrenia, rheumatoid arthritis, agrypnia, atopic dermatitis and other diseases.