Heatstroke Alert Keychain
JP1812956SActive Publication Date: 2025-11-18JAPAN YOKOYŌ CO LTD
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Patent Information
- Application Number
- JP2025012423D
- Authority / Receiving Office
- JP · JP
- Patent Type
- Designs
- Current Assignee / Owner
- Filing Date
- 2025-06-06
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2050-06-06
Smart Images

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Abstract
This product is a thermo-hygrometer with a heatstroke prevention function that detects the temperature and humidity in the air, ranks the risk of heatstroke to the user on a four-level scale, and notifies them with an alarm and a digital display.
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