GENEVA, Dec. 23 -- TOPPAN HOLDINGS INC. (5-1, Taito 1-chome, Taito-ku, Tokyo1100016), TOPPANホールディングス株式会社 (東京都台東区台東1丁目5番1号) filed a patent application (PCT/JP2025/021292) for "ELECTRODE CATALYST LAYER, MEMBRANE ELECTRODE ASSEMBLY, AND FUEL CELL" on Jun 12, 2025. With publication no. WO/2025/258657, the details related to the patent application was published on Dec 18, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intell...