What's New

Sustainable Procurement
Sustainable Procurement

Achievement in Supplier Dialogue (FY2020)

Prior to engaging in dialogue, we sent out a supplier questionnaire drawn u...

Pollution Prevention
Pollution Prevention

Measures to Prevent Water and Marine Pollution

Offshore oil development inevitably generates effluent water containing oil...

Promotion of Employees’ Health
Mental Healthcare Initiative

Mental Healthcare Initiative

Regarding mental health, we conduct employee stress checks every year based...

Quality Control and Quality Assurance
Quality Control and Quality Assurance

Quality assurance system at the corporate level

The Quality Assurance Headquarters has been established as a corporate qual...

Response to Climate Change
Basic Stance / Risks and Opportunities Identification Based on Scenario Analysis

Basic Stance

Recognizing that responding to climate change is one of the most important ...

Biodiversity Conservation
Accurately assessing and responding to the impact of Idemitsu’s business value chain on biodiversity

Raw material and energy production

Alteration of terrain and ground layer conditions due to the open-pit minin...

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

Establishment of Risk Task Force

Idemitsu set up a task force in February 2020. Through this organization, w...

Ensuring Safety
Initiatives at Departments and Group Companies

Tokuyama Complex Internal Disaster Risk Reduction Contest

On June 28, 2019, Tokuyama Complex hosted an internal disaster-risk-reducti...

Corporate Governance
Nomination of Candidates for Directors and Audit & Supervisory Board Members / Training


The Company provides training to its Directors and Audit & Supervisory ...

Regional Revitalization
Initiatives Aimed at Regional Revitalization

Mobility and Community Bases, “Smart Yorozuya”* Concepts

In the revisions of the Medium-term Management Plan, Idemitsu outlined a “S...

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

Chiba Complex – Plant Tour for Employees’ Families

On July 31, 2019, Chiba Complex organized a family plant tour to famili...

Participation in the Initiatives

Signing of the United Nations Global Compact and Initiatives

In July 2019, Idemitsu Kosan expressed its support for the ten principl...

Diversity and Inclusion (D&I) Initiatives
Balancing Work and Life

Response to the COVID-19 pandemic Measure 2

For employees who needed to use working hours to address family matters, su...

Corporate Governance
Strategically-held Listed Shares

Policy on Strategic Holdings of Listed Shares

The Company’s strategic holdings of listed shares, which have been maintain...

Biodiversity Conservation
Partnerships with Local Communities on Protecting Biodiversity

Participating in "Inochi wo Tsunagu Project” (Aichi Complex)

Aichi Complex is a key active member of the "Inochi wo Tsunagu Project*” wh...

Performance List of Dialogue with Stakeholders

Speech by Head of Corporate Sustainability at ‘Global Warming and Financial Capital Market Symposium’

The symposium was held on July 22, 2019, sponsored by the Securities An...

Response to Climate Change
GHG Reduction Initiatives 7. Development and Social Implementation of Innovative Technologies

Cooperation in the CCS Demonstration Project

We have been cooperating in a CCS demonstration project run by Japan CCS Co...

Business-Academia Alliances

Leveraging Unique Advanced Expertise, Joint Research Begins with the National Institute of Technology, Tomakomai College

The Hokkaido Refinery has started a joint research project with the Nat...

Environmental Impacts on the Supply Chain
Environmental Data of Refineries and Complexes

Hokkaido Refinery

  Unit FY2017 FY2018 FY2019 FY2020 ...

Ensuring Safety
Internal Safety Awards


Winner Award / Commendation Achievement Record Co...

Research & Development (R&D) / Intellectual Property
Intellectual Property

Number of Patent Publications and Registered Patents Held

To ensure the market dominance of its businesses, the Group continually wor...

Efforts to Improve Workplace Culture and Motivation
Next Forum Initiatives

The Second Next Forum

On July 19, 2019, the Second Next Forum was held. This was the first Forum ...

Efforts to Improve Workplace Culture and Motivation
Next Forum Initiatives

The 3rd Next Forum

On March 19, 2020, we held the 3rd Next Forum. To prevent the spread of the...

ESG Data


For data from FY2016 to FY2018, the upper row is the Idemitsu Group and ...