{"slug":"idemitsu-kosan","name":"이데미쓰코산","name_en":"Idemitsu Kosan","ticker":"5019.T","updated_at":"2026-07-11T10:20:56.674+00:00","canonical":"https://valuechain.wiki/idemitsu-kosan","kicker":"닛케이 225","kicker_en":"Nikkei 225","lead":"일본 2위 정유사로 석유 정제와 판매, 유기EL 소재 사업을 한다. 닛케이 225 구성종목. 밸류체인 관계·수치 데이터는 조사 전인 기본 노드로, AI 질문 수요가 관측되면 상세 노드로 승격된다.","lead_en":"Idemitsu Kosan is Japan's second-largest oil refiner, also active in fuel retail and OLED materials. Nikkei 225 constituent. Baseline node ahead of value-chain research; promoted to a full node once AI question demand is observed.","segments":{"parts":[{"name":"석유 제품"},{"name":"기초화학·고기능재료(유기EL)"},{"name":"자원(석탄·석유개발)"}],"total":"약 ¥8조 (FY2024)"},"segments_en":{"parts":[{"name":"Petroleum products"},{"name":"Basic chemicals and functional materials (OLED)"},{"name":"Resources (coal, oil development)"}],"total":"~¥8T (FY2024)"},"returns_yearly":{"2021":24.4,"2022":15.8,"2023":33.3,"2024":30.8,"2025":29.6,"2026":-4},"return_asof":"2026-07-10","value_chain":{"leading":[],"benefiting":[],"analysis":null,"analysis_en":null,"analysis_asof":null},"edges":[]}