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ESG Data

ESG Data

This page presents ESG (environment, society and governance) data related to the Company’s business activities that are organized and aggregated in accordance with relevant criteria.

E (Environment)

Unit 2022.3
FY2021
2023.3
FY2022
2024.3
FY2023
2025.3
FY2024
2026.3
FY2025
Greenhouse Gas
CO2 emissions from purchased electricity
- IRISO Group Total
ton 36,940 41,620 33,980 33,740 6,360
Electricity usage
- IRISO Group Total
thousand kWh 61,049 60,688 59,872 59,858 64,900
Energy consumption
- IRISO Group Total
thousand GJ 217 213 210 215 235
Renewable energy electricity consumption
- IRISO Group Total
thousand kWh 675 1,467 1,601 3,215 53,901
Electricity energy intensity
- IRISO Group Total
MWh/M yen 1.40 1.15 1.08 1.03 1.02
Scope 1
- IRISO Group Total
ton
-CO2
450 315 423 336 257
Scope2
- IRISO Group Total (Market-Based) 
ton
-CO2
36,490 41,305 31,842 33,740 6,067
Scope 3
- IRISO Group Total
ton
-CO2
171,867 227,248 242,893 227,647 188,619
Product and Service We Purchased ton
-CO2
110,784 162,163 174,068 167,365 124,016
Capital Goods ton
-CO2
16,800 22,939 27,095 21,512 10,787
Fuel-and Energy-Related Activities, not included in Scope1 & 2  ton
-CO2
4,213 4,107 5,764 5,807 9,342
Transportation /Shipping(Upstream Supply Chain) ton
-CO2
25,958 23,314 21,041 25,787 37,782
Business Waste Disposal  ton
-CO2
3,356 3,316 3,687 2,990 1,424
Business Trip ton
-CO2
69 407 344 338 330
Employee Commuting ton
-CO2
136 1,001 996 1,003 979
Processing of sold products ton
-CO2
322 623 462 726 1,008
Use of Sold Products ton
-CO2
6,289 6,139 6,156 1,956 1,782
Disposing of Sold Products  ton
-CO2
3,939 3,240 3,280 163 1,169
Water Resource
Water usage
- IRISO Group Total
ton 173,030 163,324 150,823 147,409 162,761
Waste
Total waste volume
- IRISO Group Total
ton – 1,228 1,341 1,055 1,070
Amount recycled
- IRISO Group Total
ton – 454 325 329 331
Recycling rate
- IRISO Group Total
% – 37 24 31 31
Chemical Substance
PRTR Substance Emission/Transportation
-Japan
ton 0.67 0.8 0.78 0.84 0.78
VOC (volatile organic compound) emissions
- IRISO Group Total
ton 0.5 0.3 0.3 0.8 1.0
NOx (nitrogen compound) emissions
- IRISO Group Total
ton 0 0 0 0 0
SOx (sulfur compound) emissions
- IRISO Group Total
ton 0 0 0 0 0
Environmental Law Violation
Number of violations (over $10,000 USD)
- IRISO Group Total
cases 0 0 0 0 0
Fine amount (over US$10,000)
- IRISO Group Total
US dollar 0 0 0 0 0
ISO14001 Certification 
Percentage of ISO14001 Certified
-HQ & Manufacturing Subsidiaries
% 100 100 87.5 88.9 100

Third Party Verification

Scope 1, Scope 2, and Scope 3 data have been third-party verified by Socotec Certification Japan Co., Ltd. since fiscal year 2024.3 (FY2023).

The most recent third-party assurance report can be found below.

S (Society)

Unit 2022.3
FY2021
2023.3
FY2022
2024.3
FY2023
2025.3
FY2024
2026.3
FY2025
Number of Employees
- IRISO Group Total
person  3,137 3,104 3,037 2,936 2,842
Male person  1,296 1,344 1,464 1,498 1,468
Female person  1,841 1,760 1,573 1,438 1,374
Share of Women in Total Employment % 58.7 56.7 51.8 49 48.3
Share of Non-Japanese Employees in Total Employment  % – 83.6 79.2 81.2 80.3
Employee
-Japan 
person  495 513 552 594 588
Male person  403 415 450 501 483
Female person  92 98 102 93 105
Share of Women in Total Employment % 18.6 19.0 18.4 15.7 17.9
Share of Non-Japanese Employees in Total Employment  % 0.9 0.8 2.17 2.5 2.2
New Graduate Hire
-Japan
person  16 18 28 26 14
Male person  10 13 24 20 10
Female person  6 5 4 6 4
Mid-Career Experienced Hire
-Japan
person  18 22 48 35 30
Male person  15 19 45 23 21
Female person  3 3 3 12 9
Ratio of women in management positions
- IRISO Group Total
% – 25.1 27.2 24.9 26.2
Share of Women in Management
-Japan
% 1.1 2.2 2.6 2 1.2
Share of Mid-Career Experienced Hires in Management
-Japan
% 68.4 65.0 67.7 66.7 67.0
Percentage of non-Japanese nationals in management positions
- IRISO Group Total
% – 52.1 53.9 50.2 51.4
Share of Non-Japanese Employees in Management
-Japan
% 0 0.5 2.6 2.6 2.2
Share of Local Global Key Posision
-Oversease Business Site
% 45.4 41.7 41.7 36.4 27.3
Gender wage gap
- IRISO Group Total
% – 75.0 69.0 76.6 74.4
Gender Wage Gap
-Japan
Total Employment % – 60.8 68.3 68.1 62.7
Permanent Employment % – 70.3 71.1 78.7 72.0
Management % – 98.9 93.6 71.1 74.8
Non-Management % – 87.0 89.4 95.7 88.2
Part-time and Contract Worker % – 53.6 61.9 64.1 62.2
Percentage of Disability Employment
-Japan
% 2.1 2.2 1.8 2.57 2.15
Average Service Years
-Japan
Year – 11.3 10.7 11.6 11.4
Turnover Rate
-Japan
% 3.6 4.8 5.3 5.9 4.4
Voluntary  % – 4.4 5.3 5.6 4.4
Involuntary % – 0.4 0 0.3 0
Average PTO Utilization Rate
-Japan
% – 70.1 72.9 67.1 69.7
Maternity and Paternity Leave System Utilization Rate
-Japan
person  – 6 14 8 4
Male person  – 4 8 5 2
Female person  – 2 6 3 2
Nursing Care Leave Utilization Rate
-Japan
% 39.2 50.0 87.5 80.0 80.0
Male % 19.0 40.0 80.0 71.4 66.7
Female % 100 100 100 100 100
Nursing Care Leave System Utilization Rate
-Japan
person  1 0 0 1 0
Eldercare Leave System Utilization Rate
-Japan
% – 33.5 58.2 56.6 66.4
Stress Sensitivity Deviation Scores
- Japan *1
– 46.2 45.9 47 47.2 46.7
Work Engagement Deviation Scores
- Japan *2
– 48.7 48.8 48.7 49.7 49.3
Annual training costs per employee
- IRISO Group Total
yen 8,763 10,025 9,352 8,106 15,044
Annual Education and Training Cost per Employee
-Japan
yen 42,524 40,683 44,895 35,512 62,668
Education and Training (E-learning Registrant) 
-Japan (incl. Contract Employee)
person  519 531 501 501 671
Employees in Different Positions Attending Training
-Japan
person  83 110 156 140 226
Lost-time injury frequency rate
- IRISO Group Total
– 0.81 0.53 0.88 0.36 0.74
Lost-time Accident Severity Rate
- IRISO Group Total
– 0.13 0.13 0.05 0.11 0.21
Number of serious accidents
- IRISO Group Total
cases 0 0 0 0 0
Number of work-related accidents
(Accidents resulting in time off work)
- IRISO Group Total
cases 5 3 5 2 4
ISO45001 Certified
-HQ & Manufacturing Subsidiaries
% 60 100 87.5 88.9 100
ISO9001 Certified
-HQ & Manufacturing Subsidiaries
% 100 100 87.5 88.9 88.9

*1 Our company's deviation score based on the results of a survey conducted by an external company targeting our employees. The deviation score benchmark is updated annually.
*2 The figures are based on the results of simplified questions until the March 2023 term, and on the results of detailed questions from the March 2024 term onward.

G (Governance)

Unit 2022.3
FY2021
2023.3
FY2022
2024.3
FY2023
2025.3
FY2024
2026.3
FY2025
Institutional Design  Company with Audit and Supervisory Committee
​
Company with Audit and Supervisory Committee
​
Company with Audit and Supervisory Committee
​
Company with Audit and Supervisory Committee
​
Company with Audit and Supervisory Committee
​
Chairman of the Board of Directors Hitoshi Suzuki
(President and CEO)
​
Hitoshi Suzuki
(President and CEO)
​
Hitoshi Suzuki
(President and CEO)
​
Hitoshi Suzuki
(President and CEO)
​
Hitoshi Suzuki
(President and CEO)
​
Number of Board Directors person  11 10 10 10 9
Number of Outside Members of Board Directors person  4 4 4 4 3
Number of Outside Members of Board Directors Appointed as Independent Directors
​
person  4 4 4 4 3
Ratio of Outside Members of Board Directors % 36.4 40.0 40.0 40.0 33.3
Number of Female Board Directors person  1 1 1 1 1
Ratio of Female Board Directors % 9.1 10.0 10.0 10.0 11.1
Board Meeting Attendance Rate % 100 98.5 97.7 98.4 99.1
Number of Meetings  meeting  13 13 13 13 13
Chairman of Audit and Supervisory Committee Kenichi Oe
(Director)
Toshihiko Miyauchi
(Director)
Toshihiko Miyauchi
(Director)
Toshihiko Miyauchi
(Director)
Toshihiko Miyauchi
(Director)
Number of Audit and Supervisory Committee Members person  4 5 5 5 4
Number of Outside Members of Audit and Supervisory Committee person  3 4 4 4 3
Audit and Supervisory Committee Attendance Rate % 98.2 98.4 95.4 98.3 100.0
Number of Meetings  meeting  14 13 13 12 11
Chairman of Nomination Committee Makoto Ebata
(Independent Outside Director)
​
Makoto Ebata
(Independent Outside Director)
​
Makoto Ebata
(Independent Outside Director)
​
Hiroshi Fujita
(Independent Outside
Director)
Hiroshi Fujita
(Independent Outside
Director)
Number of Nomination Committee Members person  5 5 5 5 5
Nomination Committee Attendance Rate % 100 100 100 95 100
Number of Meetings  meeting  4 2 2 4 3
Chairman of Remuneration Committee Shimako Yamamoto
(Independent Outside Director)
​
Shimako Yamamoto
(Independent Outside Director)
​
Shimako Yamamoto
(Independent Outside Director)
​
Noboru Sato
(Independent Outside
Director)
Noboru Sato
(Independent Outside
Director)
Number of Remuneration Committee Members person  5 5 5 5 5
Remuneration Committee Attendance Rate % 100 100 100 100 100
Number of Meetings  meeting  1 2 2 1 3
Rate of Employees Attending Compliance Training (E-Learning) 
-Japan 
% – 89.9 89.9 91.2 83.1
Funding and Other Spending for Political Parties million yen 0 0 0 0 0