Nitto Denko Corp. engages in the manufacture and sale of adhesives, optical films, semiconductors, electronic devices, and consumer products. It operates through the following segments: Industrial Tape, Optronics, Human Life, and Others. The Industrial Tape segment deals with the manufacture and sale of sealing, protective, process, and automotive materials. The Optronics segment offers optical films, printed circuits, and high-precision substrates. The Human Life segment handles the manufacturing services for nucleic acids, nucleic acid synthesis materials, and medical-related materials. The Others segment includes new businesses. The company was founded on October 25, 1918 and is headquartered in Osaka, Japan.