Idemitsu Kosan Co.,Ltd. (IDKOF)
OTCMKTS · Delayed Price · Currency is USD
6.75
-0.81 (-10.71%)
Feb 5, 2026, 4:00 PM EST

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, rest of Asia, Oceania, North America, and internationally.

The Petroleum segment engages in the production, sale, import, export, and trading in refined petroleum products comprising sustainable aviation fuel, synthetic fuel, bio mixed fuel, and carbon offset fuel; and operation of service stations that provide car wash, vehicle inspection, and maintenance services.

Its Basic Chemicals segment produces and sells olefin and aromatic products, which include ethylene, propylene, linealene/alpha olefin, paraxylene, cyclohexane, and styrene monomer.

The Functional Materials segment offers lubricants, advanced materials and performance chemicals, electronic materials, and bitumen/functional paving materials, as well as agricultural biotechnology products, including pesticides and functional feed products.

Its Power and Renewable Energy segment engages in power generation from thermal, solar, and wind power; sale of electricity; and solar cell business.

The Resources segment is involved in the exploration, development, production, and sale of crude oil, natural gas, and coal; and geothermal power generation.

Idemitsu Kosan Co.,Ltd. was founded in 1911 and is headquartered in Chiyoda, Japan.

Idemitsu Kosan Co.,Ltd.
Idemitsu Kosan logo
CountryJapan
Founded1911
IndustryOil & Gas Refining & Marketing
SectorEnergy
Employees13,814
CEONoriaki Sakai

Contact Details

Address:
1-2-1 Otemachi
Chiyoda, 100-8321
Japan
Phone81 120 13 2015
Websiteidemitsu.com

Stock Details

Ticker SymbolIDKOF
ExchangeOTCMKTS
Stock TypeCommon Stock
Fiscal YearApril - March
Reporting CurrencyJPY
ISIN NumberJP3142500002
SIC Code2911

Key Executives

NamePosition
Noriaki SakaiPresident and Representative Director
Atsuhiko HiranoExecutive Vice President and Representative Director
Takashi SakataChief Financial Officer, Financial Strategy and Managing Executive Officer
Hiroshi AkiyaSenior Executive Officer and GM of Manufacturing & Technology Department
Shinko SasakiGeneral Manager of Investor Relations Office, Finance Department
Kazuma IkedaSenior Executive Officer and GM of Human Resources Department
Hajime NakamotoSenior Mg. Exe. Off. and President of Advanced Materials Company, Research & Development and Intellectual Property
Soichi KobayashiSenior Managing Executive Officer and Chief Digital Officer
Kenichi MorishitaManaging Executive Officer
Hiroshi WatanabeSenior Executive Officer, Chief Procurement Officer and Head of Procurement Headquarters