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01

NEWS

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02

ABOUT US

We are a pioneer in creating safe working environments for workers.

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03

PRODUCTS

The RIKEN KEIKI product lineup includes more than 100 types of gas detectors and environmental monitoring products. See here for information about RIKEN KEIKI Group products.

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04

IR

To Shareholders and Investors
See here for the latest disclosure documents,
IR materials, and other data for RIKEN KEIKI Co., Ltd.

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05

SUSTAINABILITY

Our Group is committed to promoting CSR initiatives that contribute to a safe and secure society for all.

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NEW
IR

Notice of Update to the Corporate Governance Report

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IR

Consolidated Financial Results for the Six Months Ended September 30, 2026

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IR

Financial Results Briefing for the Six Months Ended September 30, 2026

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IR

Financial Results Briefing for the Three Months Ended June 30, 2026

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IR

Consolidated Financial Results for the Three Months Ended June 30, 2026

IR

Notice Regarding Completion of Payment for Disposal of Treasury Shares

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