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is a Japanese petroleum company. It owns and operates oil platforms, refineries and produces and sells petroleum, oils and petrochemical products.〔(【引用サイトリンク】title=Stock quote )〕 Idemitsu is the second largest petroleum refiner in Japan, after Nippon Oil.〔 It was ranked as the 262nd largest company in the world by revenue in Fortune Global 500 (2008).〔 It is number 26 in petroleum refining. Only publicly traded since 2006, Idemitsu Kosan is not listed on the Nikkei 225 stock index or the Topix 100, but instead in Topix Mid 400.〔''(TOPIX New Index Series (As of October 31, 2008) )'', Tokyo Stock Exchange.〕〔(【引用サイトリンク】title=Nikkei 225 constituents )〕 The company is a member of the Mitsubishi UFJ Financial Group (MUFJ) keiretsu. ==History== Sazō Idemitsu founded 〔 in 1911, selling lubricant oil for Nippon Oil in Moji, northern Kyushu. He expanded to selling fuel oil for fishing boats in Shimonoseki.〔''International Directory of Company Histories'', Vol. 49. St. James Press, 2003 as quoted on (【引用サイトリンク】title=Answers.com article ) and (【引用サイトリンク】title=FundingUniverse )〕〔(Idemitsu Kōsan Co., Ltd. ) (2008). In Encyclopædia Britannica. Retrieved November 15, 2008, from Encyclopædia Britannica Online.〕 After success in Japan, Idemitsu & Co. expanded to Manchuria (China) in 1914 where the Japanese-owned South Manchuria Railroad Co. Ltd. was a major customer of lubricant. A branch was opened in Dalian, northeast China and Idemitsu attempted to enter the Chinese market that was dominated by western companies like Standard Oil and the Asiatic Petroleum Company (a Shell subsidiary). The company extended through northern China and into Korea and Taiwan.〔〔 After the Japanese invasion of Manchuria in 1932 the oil trade became government controlled and Idemitsu was forced to scale back. Instead he went into transport by oil tanker. In 1940 the headquarters were moved to Tokyo and the name changed to the current Idemitsu Kosan K.K. (kabushiki kaisha: stock company). With the Japanese military expansion and United States joining the Pacific War the government took control of all industries.〔〔 After the war Idemitsu Kosan lost its overseas trade with the Allied occupation of Japan. It was among the ten petroleum suppliers selected by the Ministry of International Trade and Industry (MITI) and cut its ties with Nippon Oil. Idemitsu began importing naphtha (an intermediate oil product) first from the United States and later from Venezuela and Iran. The protectionist Oil Industry Law helped Idemitsu against foreign competition in Japan, but also made owning its own refineries important. Idemitsu's first Tokuyama Refinery opened in 1957. This was followed by the Chiba oil refinery in 1963, Hyogo oil refinery in 1970, the Hokkaido oil refinery in 1973, and the Aichi oil refinery in 1975.〔〔 In 1953 Idemitsu sent its large tanker ''Nisshomaru'' to Iran to purchase oil. Iranian prime minister Mohammed Mosaddeq had recently nationalized the oil fields and was under British-led embargo (Abadan Crisis). Idemitsu managed to buy the oil at 30% below market price and displeased the British. This was popular with the Japanese public but got Idemitsu in conflict with the Japanese government and MITI. Later the same year was the 1953 Iranian coup d'état. In the 1960s, Idemitsu imported crude oil from Russia. Again, it got a good price at 40% below market value but angered the United States who decided to boycott Idemitsu when buying fuel for its military jets in Japan. Idemitsu called the boycott "an odd Christmas gift" but "utterly negligible."〔 In 1978 it broke off contracts with the Soviet Union. The company also came in conflict with the Petroleum Association of Japan which was set up by MITI to restrict production and Idemitsu even left the organization. In 1965 the seamen's union went on strike, the first of its kind in Japan. This led to petroleum shortages. Idemitsu then ignored the quotas and produced at full speed. When the price control and production quotas were removed in 1966, Idemitsu rejoined the PAJ. To please the MITI, Sazō Idemitsu's younger brother Keisuke Idemitsu took over as company president, while Sazō became chairman of the board, keeping the actual control.〔 The company continued its vertical integration strategy of controlling the whole supply chain with more tankers and opening petrol depots and warehouses. In 1976 it started drilling for oil and gas in the offshore Aga Field in the Niigata Prefecture (Sea of Japan). Commercial production began in 1984. Idemitsu took interest in foreign oil fields, and in 1987 it started an oil field in southeast Turkey with Finnish company Neste Oy. Idemitsu acquired stake in Norwegian Snorre oil field and in Australia, as well as participating in oil drilling around the world.〔〔 The company diversified into coal, importing from Australia and bought mines in Muswellbrook, New South Wales and Ebenezer, Queensland. It became the largest coal mining company in Japan and developed the coal cartridge system for small users. It worked on geothermal power experiments and uranium mining in Canada with Cameco and Cogema. The sharp 1985 price drop on oil made Idemitsu's non-oil operations less profitable.〔 Japanese import restrictions on oil once again came under debate. As in 1962, Idemitsu favored opening up to foreign competition, in opposition to most of the Japanese oil industry. The Japanese government eventually settled on a compromise that would slowly open for free importation and remove production quotas on refineries.〔 In the 1990s, Idemitsu began opening service stations outside Japan, in Portugal and Puerto Rico, as well as a lubricant factory in the United States. Oil industry deregulation took big leaps with the abolishment of the Special Petroleum Law and self-service pumps became legal. Toward the end of the 1990s, the demand in Japan decreased due to the long economic crisis. The oil industry was too large and many companies merged. At the turn of the century, Idemitsu Kosan was the only major oil refining company in Japan that had not merged. The company was entirely held by the Idemitsu family and company employees.〔 In 2006 Idemitsu Kosan became publicly traded on the Tokyo Stock Exchange after an initial public offering (IPO), raising 109.4 billion yen. The liquefied petroleum gas (LPG) subsidiaries of Idemitsu Kosan and Mitsubishi merged on April 1, 2006 to form the .〔(【引用サイトリンク】title=Astomos Energy Corporation – Greetings )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Idemitsu Kosan」の詳細全文を読む スポンサード リンク
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