Wordmark used since 2020 | |
Headquarters inŌtemachi,Chiyoda, Tokyo | |
| Idemitsu Showa Shell | |
Native name | 出光興産株式会社 |
Romanized name | Idemitsu Kōsan kabushiki gaisha |
| Company type | PublicKK |
| TYO:5019 Nikkei 225 component | |
| Industry | Oil and gas |
| Founded | June 20, 1911; 114 years ago (1911-06-20)[1] |
| Founder | Sazō Idemitsu |
| Headquarters | Otemachi One Tower,Chiyoda, Tokyo, Japan |
Key people | Takashi Tsukioka (Chairman) Tsuyoshi Kameoka (Vice Chairman) Shunichi Kito (President) |
| Products |
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| Revenue | |
| Owner |
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Number of employees | 7,503 (2008)[2] |
| Website | www |
Idemitsu Kosan Co., Ltd. (出光興産株式会社,Idemitsu Kōsan kabushiki gaisha; stylized in logo asidemitsu) is a Japanese petroleum company. It owns and operatesoil platforms,refineries, produces and sells petroleum, oils andpetrochemical products,[3] and also operatesgas stations under theapollostation[a] brand and until 2023, in its ownIdemitsu andShell brands; the Shell brand being used under the license ofShell.
Idemitsu is the second largest petroleum refiner in Japan, afterEneos.[4] It was ranked as the 262nd largest company in the world by revenue inFortune Global 500 (2008).[2] It is number 26 in petroleum refining.[5] Idemitsu Kosan is listed in the First Section of theTokyo Stock Exchange and, since absorbingShowa Shell Sekiyu in 2019, is a constituent of theNikkei 225 index; however, it is not a constituent of theTOPIX 100 index (instead, it is a constituent of the TOPIX Mid400 index).[6]
Sazō Idemitsu founded Idemitsu & Co. (出光商会,Idemitsu Shōkai)[1] in 1911, selling lubricant oil forNippon Oil inMoji,northern Kyushu. He expanded to selling fuel oil for fishing boats inShimonoseki.[7][8]

After success in Japan, Idemitsu & Co. expanded toManchuria (China) in 1914 where the Japanese-ownedSouth Manchuria Railway was a major customer of lubricant. A branch was opened inDalian, northeast China and Idemitsu attempted to enter the Chinese market that was dominated by western companies likeStandard Oil and theAsiatic Petroleum Company (aShell subsidiary). The company extended through northern China and intoKorea andTaiwan.[7][8]
After theJapanese invasion of Manchuria in 1932 the oil trade became government controlled and Idemitsu was forced to scale back. Instead he went into transport byoil 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 thePacific War the government took control of all industries.[7][8]
After the war Idemitsu Kosan lost its overseas trade with theAllied occupation of Japan. It was among the ten petroleum suppliers selected by theMinistry of International Trade and Industry (MITI) and cut its ties withNippon Oil. Idemitsu began importingnaphtha (an intermediate oil product) first from the United States and later fromVenezuela andIran. TheprotectionistOil Industry Law helped Idemitsu against foreign competition in Japan, but also made owning its ownrefineries important. Idemitsu's firstTokuyama 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.[7][8]
In 1953 Idemitsu sent its large tankerNissho Maru toIran to purchase oil. Iranian prime ministerMohammed 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 the1953 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."[7][9] In 1978 it broke off contracts with the Soviet Union.[10]
The company also came in conflict with thePetroleum 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.[7]

The company continued itsvertical 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 offshoreAga Field in theNiigata 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 withFinnish companyNeste Oy. Idemitsu acquired stake in NorwegianSnorre oil field and in Australia, as well as participating in oil drilling around the world.[7][8]
The company diversified into coal, importing from Australia and bought mines inMuswellbrook,New South Wales andEbenezer, Queensland. It became the largest coal mining company in Japan and developed thecoal cartridge system for small users. It worked ongeothermal power experiments anduranium mining in Canada withCameco andCogema. The sharp1985 price drop on oil made Idemitsu's non-oil operations less profitable.[7]
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.[7]
As a means of diversifying its business in the wake of global oil shocks, Idemitsu began development ofOLED technology in the 1980s, culminating in the development of a practical full-color LED display introduced byPioneer in the late 1990s. Idemitsu's technology was eventually adapted bySamsung Electronics for use in itsGalaxy line ofsmartphones.[11]
By 1997 Idemitsu was the largest seller of fuel oil in Japan, due largely to capital investments by president Shosuke Idemitsu during the 1980s and early 1990s. However, these investments left the company deeply in debt with a speculative credit rating. Akihiko Tembo, the first president from outside the founding family, instituted several reforms to alleviate the company's finances, including cutting retroactive discounts offered to distributors. Tembo also merged parts of the company's operations withMitsubishi Corporation andMitsui Chemicals.[12]
In the 1990s, Idemitsu began opening service stations outside Japan, in Portugal andPuerto Rico, as well as a lubricant factory in the United States. Oil industry deregulation took big leaps with the abolishment of theSpecial Petroleum Law and self-service pumps became legal. Toward the end of the 1990s, the demand in Japan decreased due to thelong 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.[7] In 1994, Unioil became the exclusive distributor of Idemitsu products in thePhilippines.[13]
In 2006 Idemitsu Kosan becamepublicly traded on theTokyo Stock Exchange after aninitial public offering (IPO), raising 109.4 billion yen.[4][14]
In 2012, Australian fuel retailer Freedom Fuels was purchased.[15]
In 2016, Idemitsu management announced plans to merge the company withShowa Shell Sekiyu, the fifth-largest oil wholesaler in Japan. The transaction was opposed by the founding Idemitsu family for several reasons, reportedly including ongoing friction between the family and Tembo's management team, cultural differences between the two companies, geopolitical issues (Idemitsu being a major importer of Iranian oil while Showa Shell would remain partly owned bySaudi Aramco), and pressure from rivalJX Nippon Oil & Energy which was simultaneously planning its own merger withTonenGeneral.[12] Without approval from the Idemitsu family for a full merger, company management purchased 31% of Showa Shell in December 2016, and launched partnerships in refining and logistics starting in April 2017.[16] Idemitsu completed the acquisition and merger of Showa Shell in 2019.[17]
The subsidiary Idemitsu Oil & Gas Co., Ltd. produces about 30,000 barrels (4,800 m3) ofcrude oil per day. The primary sources is Idemitsus stake inNorwegian oil fields in theNorth Sea (North Sea oil). The first and largestSnorre oil field has been followed by several more. In theSea of Japan, Idemitsu hasoil platforms inNiigata prefecture nearAga andIwafune, but the production is small.[18] There are exploration projects inVietnam,Thailand andCambodia.[19] In Vietnam, the exploration is together with RussianZarubezhneft and theVietnam Oil & Gas Group (Petro Vietnam).[20]
Idemitsu Kosan owns 12oil tankers for international use.[21]
Idemitsu owns four refineries:
TheHyogo andOkinawa refineries were closed in 2003 after an agreement thatNippon Oil would supply Idemitsu Kosan with 40,000 barrels per day (6,400 m3/d) of petroleum products. Tokuyama Refinery was shut down in 2014 as scheduled, in conjunction to the Hokkaido Refinery gaining an increase in oil supply.[24][25]
There are 30 operating refineries in Japan with total capacity of 4.83 million barrels per day (768,000 m3/d), giving Idemitsu Kosan a 13% share of the refining capacity.[18] The company claims between 14% and 34% market share for different products.[26]
As of 2008[update] Idemitsu Kosan is planning to build theNghi Son Refinery inVietnam in a joint venture withKuwait Petroleum International, Vietnamese state-ownedPetroVietnam andMitsui Chemicals. With construction planned to start in 2010, it would be ready in 2013 and become the second in Vietnam after theDung Quat Refinery. Idemitsu Kosan owns a 35.1% stake in the $6 billion, 200,000 barrels per day (32,000 m3/d) refinery. Idemitsu has opened an office inHanoi and is considering using the refinery as a base for expanding into Vietnam and surrounding countries.[27][28][29]
Idemitsu operates 5,250service stations, many under theApollo brand.[30]
Idemitsu Petrochemical runs two petrochemical plants in Chiba and Tokuyama. It produces a variety of basic chemicals supplied to chemical industries, in Japan and abroad. In Europe it markets through Idemitsu Chemicals Europe PLC. Basic chemicals produced includesolefins such asethylene andpropylene, andaromatics likebenzene,para-xylene andstyrene monomer. It is also a supplier of plastics for uses such as CD pressing andcircuit boards.[21][31] The twonaphthacrackers can produce up to 997,000 tonnes of ethylene per year.[32]
Lubricants, Idemitsu's first product is a major area.[33] It also produces fluorescent materials forOLED displays.[34] A joint venture with German companyBASF, BASF Idemitsu Co. Ltd., produces1,4-Butanediol for the Japanese market at Idemitsu's Chiba plant.[35] Idemitsu also produces some medical drugs.[8]
Following a 2009 cross-licensing agreement between LG Display Co., Ltd. and Idemitsu Kosan's OLED materials business,[36] Idemitsu Kosan purchased a 32.73% stake[37] inGlobal OLED Technology LLC in June 2010.[38] For $100 million,[37] LG purchasedKodak'sorganic light emitting diode business in December 2009[39] and created Global OLED Technology[40] to administer and develop a portfolio of 2,200 patents based on Kodak research.[41]
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