Idemitsu Kosan Co., Ltd.
出光興産株式会社Idemitsu Kosan Co.,Ltd.Alias出光石油化学株式会社Pre-merger name
§01
Basic information
- Head office
- 1-2-1 Otemachi, Chiyoda-ku, Tokyo 100-8321, Japan
- Chief executive
- 酒井 則明
- Capital
- 168,300,000,000 (1,683 100 million)
- Employees (non-consolidated)
- 4,985 people
- Employees (consolidated)
- 150 people
- Start date
- 1940-03-30
- End date
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Websites
§03
Business
fuel oilbasic chemicalshigh-performance materialsElectricity and Renewable EnergyresourcesFuel supply via service stationsPetrochemical product manufacturing and salesEthylene productionRenewable energy generation (biomass, wind, solar)Natural gas-fired power generationWholesale electricity supplyRetail electricity supplySmart Yorozuya (community energy & mobility hub)Carbon-neutral energy supplyCarbon-neutral solutionsFuel Supply (Service Stations)Petrochemical Product Manufacturing and SalesEthylene ProductionRenewable Energy Generation (Biomass, Wind, Solar)Natural Gas Thermal Power GenerationElectricity WholesaleElectricity RetailSmart Yorozuya (Community Life Support Base)CNX Centerization (Carbon Neutral Base)Insurance AgencyService Stations (Fuel Supply)CNX CenterizationSmart YorozuyaElectricity Wholesale BusinessElectricity Retail BusinessPower DevelopmentElectricity SalesIdemitsu DenkiSolar Power GenerationMy idemitsu portalPetroleum refiningPetrochemical product manufacturingElectricity wholesale and retailService station operationsDigital portal services
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Related companies
Names without a link are companies not yet registered in OpenBizGraph
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Network
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§07
News
There is no news.
§08
Public records
National Tax Agency basic information9010001011318
Source: National Tax Agency Corporate Number Publication Site, basic three items
- Trade name
- 出光興産株式会社
- Trade name (kana)
- イデミツコウサン
- Name in English
- Corporation type
- 301
- Address
- 〒100-0004 東京都千代田区大手町１丁目２番１号
- Postal code
- 1000004
- Prefecture code
- 13
- City code
- 101
- Address outside Japan
- Prefecture in English
- City in English
- Address outside Japan in English
- Corporate number assignment date
- 2015-10-05
- Update date
- 2025-07-23
- Change date
- 2025-07-01
- Registry closure date
- Reason for registry closure
- Successor corporate number
- Details of the change
- 令和７年７月１日東京都千代田区大手町一丁目２番１号ＲＳエナジー株式会社（5010401014535）を合併
- Latest record
- 1
- Excluded from search
- 0
- Processing type
- 71
- Correction type
- 0
- Trade name image ID
- Address image ID
- Sequence number
- 2460619
METI gBizINFO9010001011318
Source: gBizINFO (Ministry of Economy, Trade and Industry)
- Corporate number
- 9010001011318
- Trade name
- 出光興産株式会社
- Trade name (kana)
- イデミツコウサン
- Trade name (alphabet)
- Registry closure date
- Reason for registry closure
- Registered address
- 東京都千代田区大手町１丁目２番１号
- Postal code
- 1000004
- Prefecture
- 東京都
- Prefecture code
- 13
- City or district
- 千代田区
- City code
- 101
- Street address
- 大手町１丁目２番１号
- Organisation type
- 301
- Processing type
- 71
- Correction type
- 0
- Status
- Representative
- 代表取締役社長 酒井 則明
- Capital
- 168351000000
- Employees
- 6069
- Employees (male)
- 4256
- Employees (female)
- 704
- Business summary
- ・石油製品、石油化学製品、高機能材料の製造・販売 ・電力・再生エネルギーの供給・販売 ・資源の探鉱、開発、生産等
- Website URL
- http://www.idemitsu.co.jp/index.html
- Year founded
- Business category
- E:製造業
- Date established
- 1940-03-30
- Unified government qualification - grade
- A|A|A|A
- Unified government qualification - business items
- 113|213|303|308|310|402
- Update date
- 2025-07-23
- Key information
- 9010001011318
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Sources & updates
DOMAINOwn domain：Yes
UPDATED2026-11-08 08:57 · Model: ggml-org/gpt-oss-20b