Yonekura joined Sumitomo Chemical in 1960 and worked his way up through the ranks to become president in 2000.
Organisation for the Prohibition of Chemical Weapons | My Chemical Romance | Imperial Chemical Industries | American Chemical Society | The Chemical Brothers | chemical | Chemical element | chemical engineering | Chemical compound | Dow Chemical Company | Chemical industry | Chemical synthesis | chemical element | Chemical substance | Chemical engineering | American Institute of Chemical Engineers | Chemical Bank | Chemical Abstracts Service | Sumitomo Corporation | Chemical reaction | Chemical Engineering | Chemical decomposition | Chemical Corps | Chemical Communications | Chemical warfare | chemical reaction | chemical industry | chemical compound | Sumitomo Heavy Industries | Society of Chemical Industry |