Ụlọ ọrụ Idemitsu Kosan, Ltd. Ọ nwere ma na-arụ ọrụ ikpo okwu mmanụ, refineries, na-emepụta ma na-ere mmanụ ala, mmanụ na petrochemical ngwaahịa, [1] na-arụkwa mmanụ ụgbọala n'okpuru apollostation[lower-alpha 1] ika na ruo 2023, na ya Idemitsu na Shell ụdị; A na-eji akara Shell n'okpuru ikike nke Royal Dutch Shell.
.[1]Idemitsu bụ onye na-anụcha mmanụ ala nke abụọ na Japan, na-esote Eneos.[1] A họọrọ ya dị ka ụl theọ ọrụ 262nd kasị ukwuu n'ụwa site na ego ha nwetara na Fortune Global 500 (2008). Ọ bụ nọmba 26 na nnụcha mmanụ.[2] Edepụtara Idemitsu Kosan na ngalaba nke mbụ nke Tokyo Stock Exchange na, ebe ọ bụ na etinyere Showa Shell Sekiyu na 2019, bụ akụkụ nke Nikkei 225 index; Otú ọ dị, ọ bụghị ihe mejupụtara ndepụta TOPIX 100 (kama, ọ bụ akụkụ nke TOPIX Mid400 index).[3]
Sazō Idemitsu tọrọ ntọala Idemitsu & Co. (出光商会, Idemitsu Shōkai) na 1911, na-ere mmanụ mmanu maka mmanụ Nippon na Moji, north Kyushu. Ọ gbasaara ire mmanụ mmanụ maka ụgbọ mmiri ịkụ azụ na Shimonoseki.[1][2]
.Mgbe ihe ịga nke ọma na Japan gasịrị, Idemitsu & Co. gbasaa na Manchuria (China) na 1914 ebe ndị Japan nwere South Manchuria Railroad Co. Ltd bụ onye na-azụ ahịa mmanụ mmanu. E mepere alaka na Dalian, ugwu ọwụwa anyanwụ China na Idemitsu nwara ịbanye n'ahịa ndị China nke ụlọ ọrụ ọdịda anyanwụ na-achịkwa dịka Standard Oil na Asiatic Petroleum Company (onye enyemaka Shell). Companylọ ọrụ ahụ gafere site na ugwu China wee banye Korea na Taiwan.[1][2]
.Mgbe agha ahụ gasịrị Idemitsu Kosan tụfuru azụmahịa mba ofesi na ndị jikọrọ aka na Japan. Ọ bụ otu n'ime ndị na-ebunye mmanụ ala iri nke Ministry of International Trade and Industry (MITI) họpụtara wee kepu njikọ ya na mmanụ Nippon. Idemitsu malitere ibubata naphtha (ngwaahịa mmanụ etiti) nke mbụ sitere na United States ma mesịa si Venezuela na Iran bubata. Iwu ụlọ ọrụ mmanụ na-ahụ maka nchekwa nyere Idemitsu aka megide asọmpi mba ofesi na Japan, mana mekwara ka ịnwe ụlọ nrụpụta ya dị mkpa. Ụlọ nrụpụta Tokuyama nke mbụ nke Idemitsu meghere na 1957. Nke a sochiri ụlọ ọrụ mmanụ Chiba na 1963, ụlọ ọrụ mmanụ Hyogo na 1970, ụlọ ọrụ mmanụ Hokkaido na 1973, na ụlọ ọrụ mmanụ Aichi na 1975.[1][2].
.[2]Na 1953 Idemitsu zigara nnukwu ụgbọ mmiri ya Nisshomaru na Iran ịzụta mmanụ. Onye isi ala Iran Mohammed Mosaddeq ewepụtala ala mmanụ n'oge na-adịbeghị anya ma nọ n'okpuru mmachi nke Britain na-edu (Abadan Crisis). Idemitsu jisiri ike zụta mmanụ na 30% n'okpuru ọnụ ahịa ahịa ma kpasuo ndị Britain iwe. Nke a na-ewu ewu na ọha ndị Japan mana ọ nwetara Idemitsu na-emegide gọọmentị Japan na MITI. Mgbe e mesịrị n'otu afọ ahụ bụ 1953 ndị Iran meriri ọchịchị. N'afọ ndị 1960, Idemitsu si na Rọshịa bubata mmanụ ala. Ọzọ, ọ nwetara ọnụ ahịa dị mma na 40% n'okpuru ọnụ ahịa ahịa mana ọ kpasuru United States iwe bụ onye kpebiri ịhapụ Idemitsu mgbe ọ na-azụrụ mmanụ maka ụgbọ elu ndị agha ya na Japan. Idemitsu kpọrọ boycott ahụ "onyinye ekeresimesi jọgburu onwe ya" mana "a na-eleghara ya anya."[1] [2] Na 1978 ọ mebiri nkwekọrịta ya na Soviet Union.