About Us
The RIKEN KEIKI Group contributes to societal progress based on the enduring theme: realizing environments in which people can work with peace of mind.
For more information
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Message
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Company
Overview -
Business
Overview -
Executive
Team -
Philosophy
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History
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Our Logo
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Locations
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Learn more
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.
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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President Message
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Mid-Term Management Plan
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Reason for Riken's Growth
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Integrated Report
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Financial Results
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Financial Results Briefing
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Other Timely Disclosure Documents
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Stock Overview
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Shareholders’ Meeting
Sustainability
Striving to realize a society in which all can live with peace of mind, the RIKEN KEIKI Group advances corporate social
responsibly (CSR) initiatives to help achieve the Sustainable Development Goals (SDGs).
For more information
NEWS
| 2026/07/21 ir | Notice Regarding Completion of Payment for Disposal of Treasury Shares |
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| 2026/06/25 ir | Notice Regarding Disposal of Treasury Shares as Restricted Stock Compensation |
| 2026/06/25 ir | Notice of Update to the Corporate Governance Report |
| 2026/06/02 infomation | Notice of Temporary Suspension of Ordering and Shipping |
| 2026/05/29 ir | Notice of the 120th Annual General Meeting of Shareholders |
