Sekisui Chemical. 

Sekisui Chemical Co., Ltd. engages in housing, urban infrastructure and environmental products (UIEP), high-performance plastics (HPP), and medical businesses. The Housing segment engages in the manufacturing, construction, sale, refurbishing, and other operations related to unit housing, real estate, and residential service business. The UIEP segment manufactures, constructs, and sells PVC pipes and joints, polyethylene pipes and joints, pipe and drain renewal materials and construction methods, reinforced plastic pipe, construction materials, and fiber-reinforced foamed urethane. The HPP segment engages in the manufacture and sale of interlayer films for laminated glass, polyolefin foam, tape, LCD fine particles and photosensitive materials, functional resin for infrastructure, diagnostic drugs, and other products. The Medical segment manufactures and sells diagnostic reagents, analyzers, pharmaceutical ingredients, and intermediates. It operates in Japan, the United States, Europe, Asia, and internationally. The company was formerly known as Sekisui Sangyo Co., Ltd. and changed its name to Sekisui Chemical Co., Ltd. in 1948. Sekisui Chemical Co., Ltd. was incorporated in 1947 and is headquartered in Osaka, Japan.