Idemitsu Kosan Company Description
Idemitsu Kosan Co.,Ltd. engages in the petroleum, basic chemicals, functional materials, power and renewable energy, and resources businesses in Japan and internationally.
The company’s Petroleum segment engages in the procurement of crude oil and refining of petroleum products; sale of gasoline, diesel oil, kerosene, automotive lubricants, industrial kerosene, heavy oil, and aviation and marine fuel; and operation of hydrogen stations.
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 company’s Functional Materials segment researches, develops, manufactures, and sells automotive, industrial, and marine 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 sells solar power systems.
The company’s 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.

Country | Japan |
Founded | 1911 |
Industry | Oil & Gas Refining & Marketing |
Sector | Energy |
Employees | 13,991 |
CEO | Shunichi Kito |
Contact Details
Address: 2-1, Otemachi 1-chome Tokyo, 100-8321 Japan | |
Website | idemitsu.com |
Stock Details
Ticker Symbol | IDKOF |
Exchange | OTCMKTS |
Stock Type | Common Stock |
Fiscal Year | April - March |
Reporting Currency | JPY |
ISIN Number | JP3142500002 |
SIC Code | 2911 |
Key Executives
Name | Position |
---|---|
Noriaki Sakai | President, Chief Financial Officer (Accounting Dept. and Finance Dept.) and Representative Director |
Atsuhiko Hirano | Executive Vice President and Representative Director |
Masahiko Sawa | EVice President, Senior Executive Officer of Manufacturing and Technology, Managing Exe. Officer and Director |
Koji Tokumitsu | General Manager of Investor Relations Office and Treasury Department |
Kenichi Morishita | Managing Executive Officer of Marketing |
Kazuma Ikeda | Executive Officer and GM of Human Resources Department |
Hajime Nakamoto | Senior Managing Executive Officer and President of Advanced Materials Company |
Soichi Kobayashi | Senior Managing Executive Officer and Chief Digital Officer |
Makoto Abe | Senior Executive Officer of Technical Products and Business Development |
Hiroshi Watanabe | Senior Executive Officer |