Idemitsu Kosan

Idemitsu Kosan is a major Japanese energy company based in Chiyoda, Tokyo, specializing in petroleum refining, production, and sales of fuels, lubricants, petrochemicals, and alternative energies like coal and geothermal. The firm began as an oil trading operation, evolving into extensive refining and petrochemicals, and became publicly traded on the Tokyo Stock Exchange in 2006. Generating revenue from its diverse energy portfolio for industrial and general fuel markets globally, the company employs approximately 5,497 individuals. Key figures include Chairman Takashi Tsukioka and Vice Chairman Tsuyoshi Kameoka. The company notably merged with Showa Shell Sekiyu in 2019 and developed the world's first OLED display in 1997. Idemitsu Kosan was founded on June 20, 1911, by Sazō Idemitsu. Its business model centers on publicly traded company on the Tokyo Stock Exchange since 2006, generating revenue through sales of petroleum products, refining, petrochemicals, and energy resources.