GENEVA, March 25 -- TOPPAN HOLDINGS INC. (1-5-1, Taito, Taito-ku, Tokyo1108560), ＴＯＰＰＡＮホールディングス株式会社 (東京都台東区台東一丁目５番１号) filed a patent application (PCT/JP2024/031958) for "ORGANIC EL DISPLAY DEVICE, AND METHOD FOR MANUFACTURING SAME" on Sep 06, 2024. With publication no. WO/2025/057864, the details related to the patent application was published on Mar 20, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Proper...