INTERNATIONAL PATENT: KEIWA INCORPORATED, 恵和株式会社 FILES APPLICATION FOR "LAMINATED LIGHT DIFFUSION SHEET, BACKLIGHT UNIT, LIQUID CRYSTAL DISPLAY DEVICE AND INFORMATION APPARATUS"

GENEVA, March 3 -- KEIWA INCORPORATED (10-5, Nihonbashikayabacho 2-chome, Chuo-ku, Tokyo1030025), 恵和株式会社 (東京都中央区日本橋茅場町２丁目１０番５号) filed a patent application (PCT/JP2025/028573) for "LAMINATED LIGHT DIFFUSION SHEET, BACKLIGHT UNIT, LIQUID CRYSTAL DISPLAY DEVICE, AND INFORMATION APPARATUS" on Aug 13, 2025. With publication no. WO/2026/042680, the details related to the patent application was published on Feb 26, 2026.

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