GENEVA, Sept. 17 -- DENKA COMPANY LIMITED (1-1, Nihonbashi-Muromachi 2-chome, Chuo-ku, Tokyo1038338), デンカ株式会社 (東京都中央区日本橋室町二丁目1番1号) filed a patent application (PCT/JP2025/007954) for "PHOSPHOR POWDER, LIGHT-EMITTING AGENT FOR DETERMINING AUTHENTICITY, AUTHENTICITY DETERMINATION METHOD, AND LIGHT-EMITTING DEVICE" on Mar 05, 2025. With publication no. WO/2025/187740, the details related to the patent application was published on Sep 11, 2025.

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