Lightbridge Gets New Japanese Patent Covering Multi-Zone Fuel Element, 3D Printing Method

07:42 AM EDT, 09/01/2026 (MT Newswires) -- Lightbridge (LTBR) has received a new Japanese patent covering a multi-zone fuel element design, among other things, the company said Tuesday. The patent covers a fuel rod composed of three layers of different materials, with each layer varying in thickness along the length of the rod. The claims also cover the fuel assembly into which the rods go and the 3D printing method used to build them, the company said. Lightbridge shares were down 1.3% in premarket activity.