USPTO granted Patent No. US12592408B2 to Prime Planet Energy & Solutions, Inc. on March 31, 2026. The patent covers a method of manufacturing batteries using a wound electrode body, involving winding a separator, first electrode, and second electrode around a winding core to produce a wound body, molding it into a flat shape, and arranging it in a battery case. The invention aims to achieve high productivity in battery manufacturing. The patent was filed as Application No. 18145882 and contains 9 claims.

This is a standard patent grant notice with no compliance obligations for third parties. Companies developing battery manufacturing technology should review the patent claims to ensure their processes do not infringe on the protected wound electrode method. Legal counsel should be consulted if developing similar wound electrode technology to assess potential licensing requirements.