Denka Co., Ltd. engages in the chemical manufacturing business that includes organic, inorganic, and electronic materials, processed resin products, and pharmaceuticals. It operates through the following segments: Electronics and Innovative Products, Life Innovation, Elastomers Infrastructure Solutions, Polymer solution and Others. The Electronics and Innovative Products segment handles fused silica, spherical alumina, electronic circuit boards, fine ceramics, electronic packaging materials, acetylene black, electrical equipment materials, adhesives, adhesive tapes, and materials for semiconductor processing. The Life Innovation division provides influenza vaccines, cancer treatment virus preparations, and diagnostic agents. The Elastomers Infrastructure Solutions segment offers chloroprene rubber, fertilizer, carbide, refractories, cement, special additives, polyethylene corrugated pipes and acetylene-based organic chemicals. The Polymer Solutions segments offers tyrene monomer, ABS r