GENEVA, Sept. 24 -- TOPPAN HOLDINGS INC. filed a patent application (JP2026/011149) for “LIGHT CONTROL SHEET”. With publication no. WO/2026/197431, here are the other details related to the patent application:
Kind: Initial Publication with ISR [A1]
IPC: G02F 1/13
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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