(19)

(11)

EP 4 816 791 A1

(12)

(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 23959828.7 (22) Date of filing: 30.11.2023

(51) International Patent Classification (IPC):  G01N 15/02(2024.01) (52) Cooperative Patent Classification (CPC): G16C 20/20; G01N 15/0227; G01N 15/1031; G01N 2015/1029; G01N 15/1429; G01N 2015/1486; G06V 20/69; G06V 10/56 (86) International application number: PCT/CN2023/135316 (87) International publication number: WO 2025/111910 (05.06.2025 Gazette 2025/23)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (71) Applicant: ELC Management LLC Melville, NY 11747 (US)	(72) Inventors: YE, Lihui Shanghai 200233 (CN) WANG, Chuhan Shanghai 200233 (CN) TONG, Kefeng Shanghai 200233 (CN) LIU, Jining Shanghai 200233 (CN) LUO, Lingling Shanghai 200233 (CN) (74) Representative: Venner Shipley LLP  TIDE Bankside 8 Emerson Street London SE1 9DU London SE1 9DU (GB)