Hiromasa Yonekura

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Hiromasa Yonekura
米倉 弘昌
Hiromasa Yonekura cropped 1 Tom J Donohue Hillary Rodham Clinton Takeaki Matsumoto and Hiromasa Yonekura 20110417.jpg
At the Iikura Guest House on April 17, 2011
Born(1937-03-31)March 31, 1937
DiedNovember 16, 2018(2018-11-16) (aged 81)
EducationUniversity of Tokyo
Duke University

Hiromasa Yonekura (米倉 弘昌, Yonekura Hiromasa, March 31, 1937 – November 16, 2018)[1] was a Japanese businessman. He was chairman of Sumitomo Chemical[2] and was also the chairman of the Japan Business Federation (Nippon Keidanren).[3]


Yonekura received a bachelor's degree in law from University of Tokyo in 1960. He received his master's degree in 1964 from Duke University, where he subsequently he earned his PhD.[4]


Yonekura joined Sumitomo Chemical in 1960 and worked his way up through the ranks to become president in 2000. He remained in this position until 2009, when he became chairman of the board.[4]

He became chairman of the Japan Business Federation on May 27, 2010.[5] In 2010 he received the Petrochemical Heritage Award in recognition of his important contribution to the petrochemical industry.[6]


  1. ^ Former business federation chief Yonekura dies at 81
  2. ^ "Hiromasa Yonekura: Executive Profile & Biography", Bloomberg, Retrieved on February 4, 2011
  3. ^ Nippon Keidanren, "Officers of Nippon Keidanren" Archived 2010-12-26 at the Wayback Machine., Retrieved February 4, 2011
  4. ^ a b Petro Rabigh, "Hiromasa Yonekura" Retrieved on 4 February 2011
  5. ^ Hiroko Nakata, "Innovate or perish: new Keidanren chief", The Japan Times, 28 May 2010
  6. ^ "Petrochemical Heritage Award". Science History Institute. Retrieved 24 March 2018.