Toda Kogyo Corp. is a chemical materials and fine particle manufacturer headquartered in Hiroshima, Japan. With corporate roots dating back to 1823 in the production of iron oxide pigments (Bengara) and incorporated in 1933, the company is listed on the Tokyo Stock Exchange (TYO: 4100).
Toda Kogyo applies solid-state chemistry and wet synthesis particle refinement technologies (TSSDS control) to synthesize inorganic particles, rare-earth magnet compounds, and soft magnetic ferrites. The company operates manufacturing facilities and R&D centers across Japan, China, Thailand, Europe, and North America.