ESG Data
Environment
* Scope: TOKYO OHKA KOGYO CO., LTD. and its consolidated subsidiaries in Japan(Other entities, if included, are identified in the text.)
| Environmental Performance | 2021 | 2022 | 2023 | 2024 | 2025 | |
|---|---|---|---|---|---|---|
| INPUT | Total energy consumed(kL crude oil equivalent) | 16,341 | 17,630 | 17,679 | 18,798 | 17,917 |
| Electric power(kL crude oil equivalent) | 11,151 | 11,841 | 12,124 | 13,038 | 12,096 | |
| Petroleum (heavy oil)(kL crude oil equivalent) | 503 | 659 | 346 | 346 | 312 | |
| Gas(kL crude oil equivalent) | 4,597 | 5,043 | 5,113 | 5,323 | 5,417 | |
| Used water(㎥) | 367 | 447 | 392 | 434 | 400 | |
| Chemical substances(t) (Class 1 Specially Designated Chemical Substances under the PRTR Law) |
- | 3 | 3 | 2 | 3 | |
| Chemical substances(t) (Class 1 Designated Chemical Substances under the PRTR Law) |
1,286 | 1,157 | 2,009 | 2,044 | 2,081 | |
| OUTPUT | CO2(10,000t-CO₂) | 2.5 | 1.8 | 1.1 | 1.1 | 1.1 |
| SOx(t) | 0.6 | 0.9 | 0.5 | 0.4 | 0.5 | |
| BOD(t) | 0.2 | 0.5 | 0.4 | 0.4 | 0.4 | |
| General administrative waste(t) | 40 | 31 | 30 | 33 | 33 | |
| General industrial waste(t) | 2,035 | 1,956 | 1,729 | 1,562 | 1,707 | |
| Specially controlled industrial waste(t) | 2,860 | 3,450 | 3,051 | 3,226 | 5,211 | |
| Emissions of Greenhouse Gases
(t-CO2e) |
2021 | 2022 | 2023 | 2024 | 2025 | |
|---|---|---|---|---|---|---|
| Scope 1 | 10,462 | 11,757 | 11,062 | 10,581 | 10,693 | |
| Scope 1(Overseas total) | 2,159 | 3,163 | 3,103 | 3,069 | 2,611 | |
| Scope 2 | 14,317 | 6,346 | 172 | 161 | 0 | |
| Scope 2(Overseas total) | 17,128 | 16,579 | 14,934 | 15,113 | 16,777 | |
| Scope 3 | Purchased goods and services | 330,411 | 435,191 | 406,752 | 446,965 | 590,281 |
| Capital goods | 18,391 | 36,939 | 25,694 | 61,705 | 55,240 | |
| Fuel- and energy-related activities not included in Scope 1 and 2 | 2,272 | 5,795 | 5,776 | 6,121 | 6,315 | |
| Upstream transportation and distribution | Domestic:4,138 Overseas:6,752 |
Domestic:4,058 |
15,384*1 |
18,259*1 |
19,688*1 | |
| Waste generated in operations | 5,205 | 5,104 | 5,335 | 5,942 | 6,805 | |
| Business travel | 1,821 | 3,487 | 207 | 194 | 221 | |
| Employee commuting | 2,268 | 2,415 | 738 | 696 | 785 | |
| Upstream leased assets | Not calculated | Not calculated | Not calculated | 85 | Not applicable | |
| Downstream transportation and distribution (Domestic) | Not applicable | Not applicable | Not applicable | Not applicable | Not calculated | |
| Downstream transportation and distribution (Overseas) | Not applicable | Not applicable | Not applicable | Not applicable | Not calculated | |
| Processing of sold products | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable | |
| Use of sold products | Not calculated | Not calculated | Not calculated | Not calculated | Not applicable | |
| End-of-life treatment of sold products | Not calculated | Not calculated | Not calculated | Not calculated | Not calculated | |
| Downstream leased assets | Not applicable | Not applicable | Not applicable | Not calculated | Not applicable | |
| Franchises | Not applicable | Not applicable | Not applicable | Not calculated | Not applicable | |
| Investments | Not calculated | Not calculated | Not calculated | Not calculated | Not applicable | |
※Business trips and commuting by employees exclude people seconded to other companies.
※Scope 3 has been revised in the calculation method starting in 2024.
*1 Sum of Domestic and Overseas
| Environmental Accounting (Millions of yen) | 2021 | 2022 | 2023 | 2024 | 2025 | |
|---|---|---|---|---|---|---|
| Business area cost | 1,395 | 742 | 772 | 401 | 1,168 | |
| Pollution prevention cost | 792 | 321 | 156 | 131 | 259 | |
| Global environmental conservation cost | 390 | 197 | 414 | 154 | 706 | |
| Resource circulation cost | 213 | 224 | 202 | 216 | 203 | |
| Upstream/Downstream cost | 85 | 8 | 6 | 3 | 8 | |
| Administration cost | 44 | 57 | 72 | 356 | 105 | |
| R&D cost | 21 | 19 | 7 | 6 | 14 | |
| Social activity cost | 2 | 1 | 2 | 1 | 1 | |
| Environmental remediation cost | 42 | 0 | 0 | 0 | 0 | |
| Economic Benefits Associated with Environmental Conservation Measures |
118 | 784 | 662 | 488 | 441 | |
| Revenue | 31 | 39 | 29 | 28 | 27 | |
| Cost savings | 87 | 745 | 633 | 460 | 414 | |
| Environmental Compliance | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Severe environmental accidents | 0 | 0 | 0 | 0 | 0 |
| Violations of environmental laws | 0 | 0 | 0 | 0 | 0 |
| Environmental fines and penalties(yen) | 0 | 0 | 0 | 0 | 0 |
| Address Climate Change Issues | 2021 | 2022 | 2023 | 2024 | 2025 | |
|---|---|---|---|---|---|---|
| Energy Consumption(kL crude oil equivalent) | 28,133 | 29,374 | 28,593 | 29,689 | 28,393 | |
| Domestic total | 16,359 | 17,659 | 17,679 | 18,798 | 17,917 | |
| Overseas total | 11,774 | 11,715 | 10,914 | 10,891 | 10,476 | |
| Domestic total Base unit index (Comparison with 2019) |
81 | 80 | 85 | 81 | 66 | |
| Domestic total Base unit index (Comparison with the previous year) |
89 | 100 | 106 | 95 | 83 | |
| CO2 Emissions (Converted from Energy Consumption)(10,000t-CO2) | 4.5 | 3.8 | 2.9 | 2.9 | 3.1 | |
| Domestic total | 2.5 | 1.8 | 1.1 | 1.1 | 1.1 | |
| Overseas total | 2.0 | 2.0 | 1.8 | 1.8 | 1.7 | |
| Comparison with 2019 | 95 | 81 | 62 | 61 | 63 | |
| CO2 Emissions in Distribution(t-CO2) | 2,749 | 2,961 | 3,144 | 3,269 | 3,370 | |
| Base unit index (Comparison with the previous year) | 98 | 99 | 103 | 101 | 100 | |
| Promotion of Resource Recycling: Initiatives to Address Water Risk | 2021 | 2022 | 2023 | 2024 | 2025 | |
|---|---|---|---|---|---|---|
| Water usage (1,000㎥) | Domestic total | 367 | 447 | 392 | 434 | 400 |
| Overseas total | 348 | 238 | 218 | 195 | 226 | |
| Domestic total(Comparison with 2019)(％) | 100 | 122 | 107 | 119 | 109 | |
| Water usage by country (1,000㎥) |
Japan | 367 | 447 | 392 | 434 | 400 |
| The U.S. | 82 | 98 | 92 | 71 | 78 | |
| China | 149 | 26 | 12 | 0 | 0 | |
| South Korea | 81 | 80 | 81 | 85 | 113 | |
| Taiwan | 36 | 34 | 32 | 39 | 35 | |
| Water withdrawals by source (1,000㎥) |
Municipal water | 138 | 147 | 143 | 133 | 125 |
| Industrial water | 159 | 220 | 176 | 212 | 189 | |
| Groundwater | 71 | 79 | 72 | 89 | 86 | |
| Water discharge by destination (1,000㎥) |
Sewer | 68 | 73 | 69 | 59 | 53 |
| River | 183 | 252 | 208 | 252 | 227 | |
| Volume of industrial waste(t) | General industrial waste | 2,037 | 1,960 | 1,729 | 1,562 | 1,707 |
|---|---|---|---|---|---|---|
| Specially controlled industrial waste | 2,861 | 3,455 | 3,051 | 3,226 | 5,211 | |
| Base unit index(Comparison with 2015) | 111 | 123 | 119 | 113 | 155 | |
| Landfill Waste(Non-recycled waste) | 45 | 47 | 27 | 25 | 29 | |
| Recycling rate* | 0.92 | 0.87 | 0.57 | 0.52 | 0.42 |
* Landfill Waste(t)÷［General industrial waste(t)+Specially controlled industrial waste(t)］×100
| Air, Water and Soil/Biodiversity | 2021 | 2022 | 2023 | 2024 | 2025 | |
|---|---|---|---|---|---|---|
| Emissions of air-polluting substances(t) | SOx | 0.6 | 0.9 | 0.5 | 0.4 | 0.5 |
| NOx | 3.9 | 6.8 | 0.3 | 0.2 | 0.2 | |
| Emissions of Water-polluting substances(t) | BOD | 0.2 | 0.5 | 0.4 | 0.4 | 0.4 |
| COD | 0.5 | 0.7 | 0.6 | 0.8 | 0.9 | |
| Fluorocarbons emissions(t-CO2) | 40 | 141 | 172 | 302 | 4 | |
| Substances defined by the PRTR Law | The number of PRTR substances used in production | 43 | 47 | 86 | 85 | 87 |
|
Volume of PRTR Substances Released (into the Air and Water) (estimated)(t)* * Data collection period: April to March |
3 | 3 | 2 | 2 | 3 | |
| Preserve Biodiversity | CSR training programs for employees (Participation Rate: %) |
100 | 100 | 100 | 100 | 100 |
| The number of employees engaged in environmental volunteering | 5 | 28 | 67 | 220 | 535 | |
Social
| Workforce Data | 2021 | 2022 | 2023 | 2024 | 2025 | Scope | |
|---|---|---|---|---|---|---|---|
| Number of employees (consolidated) | 1,816 | 1,950 | 1,877 | 1,996 | 2,132 | Consolidated | |
| Number of employees(Non-consolidated) | 1,261 | 1,346 | 1,355 | 1,447 | 1,555 | Non-consolidated | |
| Male employees | 1,084 |
1,150 |
1,148 | 1,214 | 1,290 | Non-consolidated | |
| Female employees | 177 | 196 | 207 | 233 | 265 | Non-consolidated | |
| Average tenure(years) | 19.5 | 18.4 | 17.5 | 17.1 | 16.7 | Non-consolidated | |
| Male employees | 20.7 | 19.5 | 18.7 | 18.4 | 18.1 | Non-consolidated | |
| Female employees | 12.3 | 11.4 | 10.8 | 10.2 | 9.7 | Non-consolidated | |
| Average Salary(10 thousand yen) | 860 | 883 | 872 | 865 | 973 | Non-consolidated | |
| Average age | 42.7 | 41.9 | 41.1 | 40.9 | 40.7 | Non-consolidated | |
| Full time staff voluntary turnover rates(%) | 1.5 | 1.4 | 1.6 | 1.7 | 2.1 | Non-consolidated | |
| Graduate turnover within 3 years of joining the Company(%) | 9.1 | 0 | 6.4 | 0 | 8.6 | Non-consolidated | |
| Ratio of Labor union members among the overall employees(%) | 79.8 | 79.3 | 81.4 | 82.5 | 80.0 | Non-consolidated | |
| Wage difference between male and female employees (percentage of female wage to male) (Unconsolidated) | 65.5 | 65.4 | 71.3 | 68.8 | 68.1 | Non-consolidated | |
| Workforce Diversity | 2021 | 2022 | 2023 | 2024 | 2025 | Scope | |
|---|---|---|---|---|---|---|---|
| Ratio of women among new graduates (%) | 17.0 | 26.4 | 22.4 | 32.1 | 33.9 | Non-consolidated | |
| Ratio of women among the overall employees (%) | 14.0 | 14.6 | 15.3 | 16.1 | 17.0 | Non-consolidated | |
| Difference in average tenure figures for men and women (years) | 8.4 | 8.1 | 7.9 | 8.2 | 8.4 | Non-consolidated | |
| Ratio of women in senior and middle management (%) | 3.8 | 4.0 | 4.5 | 4.5 | 5.2 | Non-consolidated | |
| Ratio of women on the Board of Directors (%) | 7.1 | 10.0 | 20.0 | 10.0 | 10.0 | Consolidated | |
| Number of non-Japanese employees(non-consolidated) | 18 | 24 | 16 | 15 | 26 | Non-consolidated | |
| Number of non-Japanese employees(consolidated) | 476 | 524 | 457 | 483 | 509 | Consolidated | |
| Ratio of non-Japanese employees(consolidated, %) | 26.2 | 26.9 | 24.3 | 24.2 | 23.9 | Consolidated | |
| Ratio of of employment for the disabled(%) | 2.45 | 2.42 | 2.24 | 2.63 | 2.74 | Non-consolidated | |
| Ratio of mid-career employees(%) | 36 | 61 | 49 | 53 | 54 | Non-consolidated | |
| Work–life balance | 2021 | 2022 | 2023 | 2024 | 2025 | Scope | |
|---|---|---|---|---|---|---|---|
| Average rate of the used portion of employees' annual paid vacation(%) | 73.8 | 79.6 | 87.1 | 79.8 | 79.7 | Non-consolidated | |
| Childcare leave system (number of users) | 27 | 31 | 40 | 43 | 47 | Non-consolidated | |
| Return-to-work rate after childcare leave(%) | 100 | 95.2 | 100 | 100 | 96.7 | Non-consolidated | |
| Shorter working hours system (number of users) | 16 | 17 | 24 | 32 | 7 | Non-consolidated | |
| "Childcare time"system (number of users) | 13 | 15 | 37 | 69 | 59 | Non-consolidated | |
| Childcare leave system (number of male users) | 8 | 12 | 24 | 29 | 27 | Non-consolidated | |
| childcare leave system (user rate among male employees) | 33.3 | 57.1 | 66.7 | 74.3 | 66.7 | Non-consolidated | |
| Nursing care leave (number of users) | 0 | 0 | 0 | 2 | 2 | Non-consolidated | |
| Upskilling／Training | 2021 | 2022 | 2023 | 2024 | 2025 | Scope | |
|---|---|---|---|---|---|---|---|
| The number of participants in CSR training programs for employees(％) | 1,410 | 1,521 | 1,561 | 100 | 100 | Non-consolidated | |
| The number of participants in occupational health and safety training programs for employees(％) | 1,410 | 1,521 | 1,561 | 100 | 100 | Non-consolidated | |
| Percentage of employees who have received compliance training(%) | 100 | 100 | 100 | 100 | 100 | Non-consolidated | |
| Percentage of employees who have received information management training(%) | 100 | 100 | 100 | 100 | 100 |
Non-consolidated |
|
※The number of participants in CSR training and occupational health and safety training was expressed as a headcount until 2023, and the expression was changed to a rate starting in 2024.
| Occupational Health and Safety | 2021 | 2022 | 2023 | 2024 | 2025 | Scope | |
|---|---|---|---|---|---|---|---|
| Workplace accidents | 8 | 9 | 14 | 12 | 9 | Non-consolidated | |
| Resulted in lost workdays | 0 | 4 | 1 | 5 | 1 | Non-consolidated | |
| Not resulted in lost workdays | 8 | 5 | 13 | 7 | 8 | Non-consolidated | |
| Frequency rate of workplace accidents | 0,00 | 1.42 | 0.36 | 1.70 | 0.32 | Non-consolidated | |
| Severity rate of workplace accidents | 0.00 | 0.03 | 0.00 | 0.01 | 0.00 | Non-consolidated | |
| Contribute to society | 2021 | 2022 | 2023 | 2024 | 2025 | Scope | |
|---|---|---|---|---|---|---|---|
| The number of employees engaged in local volunteering | 579 | 693 | 806 | 566 | 535 | Consolidated | |
| Donation(10 thousand yen) | 10,408 | 679 | 208 | 11,590 | 764 | Non-consolidated | |
Governance
| Corporate Governance | 2021 | 2022 | 2023 | 2024 | 2025 | Scope | |
|---|---|---|---|---|---|---|---|
| Structure of Board of Directors | Number of directors（Persons） | 9 | 10 | 10 | 10 | 10 | Consolidated |
| Outside Directors（Persons） | 3 | 4 | 4 | 4 | 4 | Consolidated | |
| Ratio of Outside Directors（%） | 33 | 40 | 40 | 40 | 40 | Consolidated | |
| Female Directors（Persons） | 1 | 1 | 1 | 1 | 1 | Consolidated | |
| Ratio of Female Directors（%） | 11 | 10 | 10 | 10 | 10 | Consolidated | |
| Audit and Supervisory Committee structure *1 | Number of Audit and Supervisory Committee Member（Persons） | 4 | 4 | 4 | 4 | 4 | Consolidated |
| Among them, Outside Audit and Supervisory Committee Member（Persons） | 3 | 3 | 3 | 3 | 3 | Consolidated | |
| Among them, Female Audit and Supervisory Committee Member（Persons） | 0 | 0 | 0 |
1 |
1 |
Consolidated | |
| Number of officers | 15 | 15 | 16 | 15 | 14 | Consolidated | |
| Ratio of outside directors among nomination and compensation advisory Committee（%） | 67 | 80 | 80 | 80 | 80 | Consolidated | |
| Total remuneration for directors, (excluded outside auditors) (Millions of yen) | 565 | 420 | 304 | 384 | 493 | Consolidated | |
| Basic remuneration | 236 | 221 | 188 | 199 | 236 | Consolidated | |
| Bonuses | 102 | 87 | 23 | 72 | 110 | Consolidated | |
| Stock options | - | - | - | - | - | Consolidated | |
| Share based remueration linked to performance result | 133 | 43 | 39 | 47 | 59 | Consolidated | |
| Restricted share-based remuneration system | 93 | 67 | 52 | 65 | 86 | Consolidated | |
| Total amount of remuneration for Audit and Supervisory Committee Members (excluded Outside Directors) (Millions of yen) *2 | 24 | 25 | 25 | 27 | 30 | Consolidated | |
| Number of board of directors meetings (times) | 14 | 15 | 16 | 15 | 14 | Consolidated | |
*1: Our company transitioned from a company with a board of auditors to a company with an audit and supervisory committee based on the passed resolution at the 93rd Annual General Meeting of Shareholders, which was held on March 30, 2023.
*2: Until 2022, total remuneration for auditors (excluded external auditors) is shown. For 2023, total remuneration for auditors (excluded external auditors) and audit and supervisory committee members (excluded external directors) is shown.
| Compliance | 2021 | 2022 | 2023 | 2024 | 2025 | Scope | |
|---|---|---|---|---|---|---|---|
| Cost of fines, penalties or settlements in relation to corruption (10 thousand yen) |
0 | 0 | 0 | 0 | 0 | Non-consolidated | |
| Political contributions (10 thousand yen) |
0 | 0 | 0 | 0 | 0 | Non-consolidated | |
| Intellectual capital | 2021 | 2022 | 2023 | 2024 | 2025 | Scope | |
|---|---|---|---|---|---|---|---|
| Number of new patents | 264 | 361 | 331 | 318 | 265 | Consolidated | |