Sole: KenzMedico Co. Ltd., 552-1 Kodamacho Kyoei, Honjo-shi, Saitama-Pref 367-0206, JAPAN.
Other: Suzuken Company Ltd., 8 Higashikataha-machi higashi-ku, Nagoya Aichi 461-00156, JAPAN.
There appears to be no peer-reviewed clinical validation information available on the technology used in the Kenzmedico 541 to measure blood pressure.