INTERNATIONAL PATENT: TOPPAN HOLDINGS INC., ＴＯＰＰＡＮホールディングス株式会社 FILES APPLICATION FOR "COLORED-LAYER-FORMING COMPOSITION, METHOD FOR PRODUCING SAME, OPTICAL FILM AND DISPLAY DEVICE"

GENEVA, Dec. 30 -- 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/JP2025/021325) for "COLORED-LAYER-FORMING COMPOSITION, METHOD FOR PRODUCING SAME, OPTICAL FILM, AND DISPLAY DEVICE" on Jun 12, 2025. With publication no. WO/2025/263433, the details related to the patent application was published on Dec 26, 2025.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is m...