Idemitsu Kosan Co. Ltd.
History
| Year | Detail |
|---|---|
| 1876 | Samuel & Co. is established in Yokohama. |
| 1890 | Royal Dutch founded in the Netherlands. |
| 1892 | Tsuneyoshi Niitsu starts an oil refining business in Amise, Niigata. |
| 1899 | Yozaburo Hayama becomes independent and starts an oil refining business. |
| 1900 | Samuel Shokai separates its oil division and establishes Rising Sun Oil Co. Ltd. |
| 1904 | Shell changed its trademark from mussel to scallop. |
| 1907 | Royal Dutch and Shell enter into a business partnership. |
| 1911 | Sazo Idemitsu founded Idemitsu Shokai in Moji. |
| 1913 | Started selling fuel oil for fishing boats. |
| 1914 | Developed sales channels in Manchuria (northeastern China). |
| 1922 | Asahi Oil becomes a subsidiary of Suzuki Shoten and merges with Teikoku Oil. |
| 1931 | Tsuneyoshi Niitsu builds an oil refinery in Hirasawa, Akita Prefecture. |
| 1940 | Idemitsu Kosan Co. Ltd. is established. |
| 1942 | Showa Oil Co. Ltd. is established. |
| 1948 | Rising Sun Oil Co. Ltd. is renamed Shell Oil Co. Ltd. |
| 1951 | Shell Group acquires stake in Showa Oil. |
| 1952 | Launch of Apollo Gasoline. |
| 1957 | Showa Yokkaichi Oil Co., Ltd. Established. |
| 1966 | Idemitsu Museum of Arts opens. |
| 1968 | Opened a sales research center as a product development base for lubricants. |
| 1970 | Central Research Institute opened. |
| 1975 | Idemitsu Petrochemical Chiba Plant constructed. |
| 1983 | Idemitsu Unleaded Apollo Gasoline launched. |
| 1997 | Developed the world's first organic electroluminescence display. |
| 2006 | Solar Frontier K.K. established. |
| 2018 | Entered the electricity retail business. |
| 2019 | Idemitsu Kosan and Showa Shell Sekiyu merge to start anew as Idemitsu Kosan. |
| 2021 | First lithium solid-state battery plant begins operation. |
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