Hikaridai, Japan
Mitsufuji Kaiun Yk develops and provides wearable technology for monitoring the health and safety of workers in various industries, including construction, food production, and aviation. Their flagship product, hamon band, uses a patented algorithm to estimate deep body temperature changes from pulse waves, helping to detect heat risk and monitor worker well-being. The company also offers AGposs, a high-functional fiber with silver plating technology derived from Kyoto weaving techniques. Mitsufuji has partnered with SoftBank and JTE for safety solutions in construction sites and with Duskin and Unico for service industry applications. They have successfully implemented their technology at the Osaka Expo 2025, SoftBank's infrastructure projects, and various food production facilities. The company was founded in Kyoto and operates from Keihana Plaza Lab Building in Kyoto Prefecture. Mitsu
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