GENEVA, March 3 -- 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/JP2025/029409) for "BASE MATERIAL FOR LIGHT-SHIELDING PLATE, METAL LIGHT-SHIELDING PLATE, CAMERA MODULE, AND ELECTRONIC APPARATUS" on Aug 21, 2025. With publication no. WO/2026/042858, the details related to the patent application was published on Feb 26, 2026.

Notably, the patent application was submitted under the International Patent Classification (IPC) sys...