Hiromasa Yonekura (米倉 弘昌, Yonekura Hiromasa; March 31, 1937 – November 16, 2018) was a Japanese businessman. He was chairman of Sumitomo Chemical and was also the chairman of the Japan Business Federation (Nippon Keidanren).
Source: “Hiromasa Yonekura”, English Wikipedia (CC BY-SA 4.0), excerpt