GENEVA, July 27 -- TOPPAN HOLDINGS INC. filed a patent application (JP2026/000149) for “INKJET INK COMPOSITION, ELECTRON TRANSPORT LAYER, LAMINATE, DISPLAY DEVICE, AND METHOD FOR PRODUCING DISPLAY DEVICE”. With publication no. WO/2026/155026, here are the other details related to the patent application:
Kind: Initial Publication with ISR [A1]
IPC: H10K 71/15
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
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