Idemitsu Kosan Co Ltd

Idemitsu Kosan Co Ltd is Japan-based company primarily engaged in fossil fuel-related businesses. The Company operates five business segments. The Fuel Oil segment is engaged in the production, sales, import & export, and trading of refined petroleum products. The Basic Chemicals Segment is engaged in the production and sale of olefins and aromatics products. The High Functional Materials segment is engaged in lubricants, functional chemicals, electronic materials, functional pavement materials, and agribio products. The Power & Renewable Energy segment is engaged in power generation (includes thermal, solar, wind), power sales, and solar cell operations. The Resources segment is engaged in exploration, development, production, and sales of energy resources such as crude oil, natural gas, and coal. The Company also conducts insurance and intra-group service businesses.

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Detailed financial analysis, valuation snapshot, multi-period history, and AI narrative are pending — generated when this company is included in the next analysis batch. Profile data above is point-in-time as of 2026-04-30.