What's New

Intellectual Property
Utilization of Intellectual Property / Promotion of Activity Plans

Utilization of intellectual property

Our group has established the Intellectual Property Department to supervise...

Sustainability News
News Release

News Release

Corporate Governance
Strategically-held Listed Shares

Policy on strategic holdings of listed shares

The Company strategically holds listed shares which are found to be necessa...

Idemitsu Group’s Sustainability
Diversity & Inclusion / Reinforcement for Compliance

Idemitsu Group Diversity & Inclusion Policy

Idemitsu Group, as an energy co-creation company from Japan, will work with...

Ensuring Safety
Practical Fire Fighting Training

Aichi Refinery Water Spraying Drill with Members of the Joint Disaster Risk Reduction Organization

On June 5 and 6, 2019, in accordance with the Act on the Prevention of ...

Social Contribution Activities
Relations with Local Community:Initiatives at Refineries and Complexes

Initiatives at Refineries and Complexes

Since starting operations, each refinery and complex takes great care to nu...

Idemitsu Group’s Initiatives for COVID-19
Idemitsu Group’s Initiatives for COVID-19

Efforts for Our Employees

Idemitsu Group is dedicated to the safety of our employees and their famili...

Social Contribution Activities
Relations with Local Community:Latest Topics

Latest Topics

Summer Evening Festival by the Three Plants of Idemitsu Unitech The thre...

Efforts to Improve Workplace Culture and Motivation
Tour for Employees’ Families and Office Tour for Children

Idemitsu Electronic Materials Chengdu and Shanghai Branch Joint Workshop

The workshop on September 19–21, 2019 in Guilin, Jiangxi Province, Chin...

Past Sustainability Reports
Past Sustainability Reports

Past Sustainability Reports

Download past Sustainability Reports for Idemitsu Kosan Co.,Ltd. and Showa ...

Idemitsu Group’s Initiatives for COVID-19
Idemitsu Group’s Initiatives for COVID-19

Our Efforts for Stable Supply of Products

For our customers’ safety and security, we are taking the following measure...

Social Contribution Activities
Relations with People:Latest Topics

Latest Topics

Let’s Learn About the Environment!Class on Energy for Elementary School Stu...

Diversity and Inclusion (D&I) Initiatives
Systems for Supporting Activities of Diverse Employees

Systems List

To create a worker-friendly environment for a diverse range of employees, o...

Human Resource Development
Developing Competencies


To increase the number of personnel who strongly embody the action guidelin...

Diversity and Inclusion (D&I) Initiatives
Status of Employees and Recruitment

Status of Recruitment

We said, "Hitowa, Mugenno Energy. (People have limitless energy.)" Unde...

Human Resource Development
Other Support for Employee Growth

Lecture for Department and Office Managers

On July 24, Idemitsu Kosan invited Dr. Iwao Nakatani from Fushiki-an (Japan...

Idemitsu Group’s Sustainability
Management Vision / Action Mindset

Management Vision

We are an energy co-creation company that values diversity and inclusion, c...

Social Contribution Activities
Relations with Local Community:Activities at Overseas Bases

Initiatives to Address Community Issues in Australia

Idemitsu Australia Resources Pty Ltd. (based in Brisbane), which is one of ...

Sustainability News


Idemitsu Group’s Sustainability
Medium-term Management Plan

Return to Shareholders

FY2019 - FY2021 Return to shareholders wi...

Status of inclusion in the ESG Index / External Evaluation

Status of inclusion in the ESG Index

In recognition of its efforts in the ESG (Environment, Society and Gove...

Environmental Management / Environmental Policy
Safety and Environmental Audits / Environmental Compliance

Safety and Environmental Audits

In order to confirm and promote the HSSE activities of each executive depar...

Response to Climate Change
GHG Reduction Initiatives 1. Promoting Energy Conservation and Zero - Emission Electric Power

Promoting Energy Conservation and Zero-Emission Electric Power

We will work to reduce direct and indirect CO2 emissions from refineries, c...

Efforts to Improve Workplace Culture and Motivation
DTK (Dattara Ko Shiyo) Project (=Business Process Redesign); an Initiative to Increase Productivity and Make Employees Feel Their Job More Rewarding

Kick-off Meeting

In order to initiate the project, a kick-off meeting was held in which Pres...