Asahi Kasei (旭化成株式会社) is a chemical company focused on materials, homes, and healthcare sectors. In the materials area, it provides chemical intermediates, polymers, fibers and membranes, alkaline water electrolysis systems cleaners, optical and printing materials, electronic devices and components, household products, etc. In the healthcare segment, the company develops pharmaceuticals, diagnostic reagents, and medical devices. The homes sector offers construction materials, buildings maintenance and renovation, order-built homes, apartment rental network, and real estate brokerage.