This document is a publication of a European patent application, EP4047446A1, for a 'Charging and Discharging Test Device' by Toyo System Co., Ltd. The publication date is March 11, 2026. It details International Patent Classifications (IPC) such as H02J 7/00 (charging/discharging of batteries) and G01R 31/36 (electrical testing of batteries), indicating the technological focus of the invention.

As this is a patent publication, there are no direct compliance obligations or deadlines for regulated entities. However, companies operating in the battery technology, power supply, or electrical testing sectors may wish to review the patent for competitive intelligence, potential licensing opportunities, or to understand the scope of intellectual property protection in this area. The designated states indicate broad European coverage.