Hitachi Chemical Co., Ltd. announced that appointment of Mitsuyoshi Toyoshima as Vice President and Executive Officer of the company. Mitsuyoshi Toyoshima will join Hitachi Chemical on March 1, 2018. The company also announced the retirement of Masayuki Kan as Vice President and Executive Officer, Toshihiko Miyauchi as Vice President and Executive Officer and Satoshi Takahashi as Executive Officer of the company, effective from March 31, 2018.