Idemitsu Kosan Co.,Ltd. manufactures and sells fuel oils and lubricant oils in Japan and internationally. It operates through Petroleum, Basic Chemicals, Functional Materials, Power and Renewable Energy, and Resources segments. The companyÃ¢ÂÂs Petroleum segment engages in the procurement and sale of crude oil and refining of petroleum products; gasoline, diesel oil, kerosene, and automotive lubricants to service stations; and industrial kerosene, diesel oil, and heavy oil, and aviation and marine fuel. Its Basic Chemicals segment manufactures and sells olefins, such as ethylene, propylene, and butadiene; aromatics, including benzene, styrene monomer, mixed xylene, and paraxylene; and other chemicals. The companyÃ¢ÂÂs Functional Materials segment researches, develops, manufactures, and sells automotive, marine, and industrial lubricants, as well as grease; engineering plastic, adhesive materials, derivative products, and solvents; electronic materials, such as OLED; asphalt; microbial pesticides, soil amendments, and livestock related materials; and solid state lithium ion battery materials. Its Power and Renewable Energy segment operates thermal power plants; develops and operates renewable energy sources, including solar, wind, and biomass power plants; engages in the supply, wholesale, and retail of electric power; researches, develops, and manufactures CIS thin-film solar modules; and sale of solar power systems. The company Resources segments explores, develops, and produces oil and gas; produces and sells coal and uranium; operates geothermal power plants; and sale of electric power and steam. Idemitsu Kosan Co.,Ltd. was founded in 1911 and is headquartered in Tokyo, Japan.