The document provides a comprehensive overview of the medical device registration process in Japan, detailing the roles of the Pharmaceuticals and Medical Devices Agency (PMDA) and the Ministry of Health, Labour and Welfare (MHLW). Key topics include the Foreign Special Approval System, the requirements for Marketing Authorization Holders (MAH), clinical data requisites, and various registration routes based on classification. Additionally, it outlines the Quality Management System (QMS) audit process, timelines, and necessary consultations for successful device registration.