Showa Denko K. K. (昭和電工株式会社, Shōwa Denkō Kabushiki-gaisha, abbreviated as SDK), founded in 1939 by the merger of Nihon Electrical Industries and Showa...

the stadium was renamed Showa Denko Dome Oita (昭和電工ドーム大分) after Showa Denko acquired naming rights. On 1 January 2023 Showa Denko merged with another another...

aircraft company Showa Denko, a Japanese chemical company Showa Shell Sekiyu, former Japanese subsidiary of the Shell petroleum company Showa Steel Works,...

most likely cause to the dumping of methylmercury from Showa Denko Corporation factory. Showa Denko was located upstream on the Agano River and, just like...

single large Japanese manufacturer, Showa Denko. It eventually became clear that recent batches of Showa Denko's L-tryptophan were contaminated by trace...

discovered methylmercury in moss at the outlet of the Showa Denko factory in Kanose village. Showa Denko responded to the outbreak of Niigata Minamata disease...

production Chemical products (Hitachi Chemical) - Sold to Showa Denko and renamed Showa Denko Materials Medical diagnostic equipment - Sold to Fujifilm...

Group and Sanwa Group. The Fuyo Group included Hitachi, Nissan, Canon, Showa Denko, Kubota and Nippon Steel. Marubeni, like other sogo shosha, was hit hard...

single large Japanese manufacturer, Showa Denko. It eventually became clear that recent batches of Showa Denko's L-tryptophan were contaminated by trace...

proving Showa Denko's pollution to be the cause of this second Minamata disease outbreak. Unlike the patients in Minamata, the victims of Showa Denko's pollution...