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- Environmental Conservation Activities
Operating the Environmental Management System (ISO14001)
The IRISO Group has set up an environmental management system by following the ISO 14001 to conduct activities for environmental improvement.
The environmental management system is run on the PDCA (Plan-Do-Check-Act) cycle mainly by a project management office that was set up at each manufacturing base. The departments of each manufacturing base follow the instructions of the project management office, create and implement annual plans, and report the activity results to the office. The office conducts internal audits to check the final results and validity of the plan, and the results are summarized and reported to the environmental manager. In addition, the validity of the plan is confirmed through an audit performed by an external organization. The following are the years when the manufacturing bases got ISO 14001 certified. Since they were certified, they have had external audits under ongoing basis.
ISO14001 Certified Years for Group Manufacturing Bases
| Manufacturing Base | Year |
|---|---|
| Headquarters Kawasaki Manufacturing Technology Center Ibaraki Plant (Japan) |
2000 |
| Hanamaki Technical Center | 2024 |
| Akita Plant | 2025 |
| Shanghai Plant | 1999 |
| Nantong Plant | 2019 |
| Philippines Plant | 2000 |
| Vietnam Plant | 2006 |
Internal Audits
We conduct internal audits at each site* to verify the effectiveness of our environmental management system.
*This applies to the head office/Kawasaki and all factories (excluding domestic and overseas sales offices). The Hanamaki Technical Center, which began operations in October 2023, will be added to the domestic sites from the fiscal year ending March 2025, Akita Plant, which began operations in April 2025, will be added from the fiscal year ending March 2026.
Internal Audit Results by Manufacturing Base/by Year
| Manufacturing Base | Findings | 2022.3 FY2021 |
2023.3 FY2022 |
2024.3 FY2023 |
2025.3 FY2024 |
2026.3 FY2025 |
|---|---|---|---|---|---|---|
| Headquarters / Kawasaki / Ibaraki / Hanamaki/Akita |
Major | 0 | 0 | 0 | 0 | 0 |
| Minor | 0 | 0 | 0 | 0 | 0 | |
| Observation | 3 | 1 | 1 | 12 | 8 | |
| Shanghai | Major | 0 | 0 | 0 | 0 | 0 |
| Minor | 0 | 2 | 2 | 0 | 1 | |
| Observation | 5 | 0 | 0 | 3 | 0 | |
| Philippine | Major | 0 | 0 | 0 | 0 | 0 |
| Minor | 2 | 1 | 2 | 2 | 1 | |
| Observation | 2 | 1 | 2 | 3 | 3 | |
| Vietnam | Major | 0 | 0 | 0 | 0 | 0 |
| Minor | 0 | 0 | 0 | 0 | 4 | |
| Observation | 3 | 8 | 15 | 11 | 14 | |
| Nantong | Major | 0 | 0 | 0 | 0 | 0 |
| Minor | 2 | 1 | 0 | 1 | 1 | |
| Observation | 0 | 0 | 0 | 0 | 0 | |
| Total | Major | 0 | 0 | 0 | 0 | 0 |
| Minor | 4 | 4 | 4 | 4 | 7 | |
| Observation | 13 | 10 | 18 | 29 | 25 |
Our Environmental Conservation Practices
Our environmental policy was announced under the name of the company CEO both within and outside the company to declare that we are engaged in the following environmental conservation activities.
・Reduction of CO2 and other greenhouse gas emissions (by promoting energy conservation)
・Effective use of recycled resources
・Running eco-friendly activities (compliance with environmental laws and regulations)
Details of our environmental conservation practices are given below.
Reduction of CO2 and Other Greenhouse Gas Emissions (by Promoting Energy Conservation)
Greenhouse gases mainly include carbon dioxide, methane, dinitrogen monoxide, hydrofluorocarbons, perfluorocarbons, and sulfur fluoride. Greenhouse gases come from our production activities because we use electricity and automobiles. Greenhouse gases are a cause of global warming, and we are running the following activities for managing greenhouse gas emissions to stop global warming.
| Measure | Results |
|---|---|
| Solar panel installation | As a means of reducing our electricity consumption, we have installed solar panels at four of our factories: Ibaraki Plant, Shanghai Plant (which began operations in January 2023), Nantong Plant, and Philippines Plant. As of fiscal year 2025, solar panels generated 1,940 MWh of electricity and reduced carbon dioxide emissions by 1,101 tons. |
| Improve air-conditioner efficiency | We will be carrying out air conditioning system replacement work at our head office between 2022 and 2026. This is expected to reduce the annual electricity consumption at our head office by 135 MWh. |
Effective use of Recycled Resources
We promote the 3Rs (Reuse, Reduce, Recycle) practices at all group bases both in Japan and outside Japan.
The results are presented below.
| Measure | Results |
|---|---|
| Cutting down on gold in connectors and using recycled materials | ① We are reducing the amount of gold used by reviewing the specific gravity, film thickness, and processing area of the gold used for plating on connector pins. ② By using recycled LCP (liquid crystal polymer) resin for the connector molds, we are reducing waste. |
| Separation of waste materials for reusing as valuable resources | We utilize copper scraps, gold-plated terminals, and discarded products generated across our domestic and international sites not as industrial waste, but by turning them into valuable resources. As a result, we were able to reduce carbon dioxide emissions by 18 tons in fiscal year 2025. |
| 3Rs practice | Our head office and business locations consistently practice proper waste separation, waste reduction, reuse, and recycling. Their activities have been recognized for their remarkable effectiveness in reducing waste generation, and they have been certified as an excellent 3R (Reduce, Reuse, Recycle) business by the City of Yokohama since 2008. Although the certification system was abolished in 2025, we will continue to implement 3R activities. |
| Social responsibility | We run the following activities to work towards a better society.
|
Running Eco-Friendly Activities (Compliance with Environmental Laws and Regulations）
We run an array of eco-friendly activities in compliance with environmental laws and regulations. We manage wastes in accordance with the Waste Disposal and Public Cleansing Law, conduct quick and periodic inspections of air conditioners, testing equipment and others in accordance with the CFC Emission Control Law, and perform periodic measurements in compliance with the Noise Regulation Law.
Greenhouse Gas Emissions
Breakdown of greenhouse gas emissions which result from our production activities
| Unit | 2022.3 FY2021 |
2023.3 FY2022 |
2024.3 FY2023 |
2025.3 FY2024 |
2026.3 FY2025 |
|
|---|---|---|---|---|---|---|
| Scope1 - Entire IRISO group |
Ton-CO2 | 450 | 315 | 423 | 336 | 257 |
| Scope2 - Entire IRISO group |
Ton-CO2 | 36,490 | 41,305 | 31,842 | 33,740 | 6,067 |
| Scope3 - Entire IRISO group |
Ton-CO2 | 171,867 | 227,248 | 242,893 | 227,647 | 188,619 |