ANZEIGEVORRICHTUNG

European patent · EP4198620 · In force

Register entry

Publication number
EP4198620
Application number
EP20880380
Kind
European patent with effect for Switzerland and Liechtenstein
Status
In force
Specification
Granted
Filed
Aug 24, 2020
Published
Jun 21, 2023
Granted
Jan 28, 2026
Protection ends at the latest
Aug 23, 2040
Next annual fee due
Aug 31, 2026
IPC classes
G02F 1/1333 (2006.01)
G02F 1/1335 (2006.01)
G02F 1/13357 (2006.01)
G02B 6/00 (2006.01)
Priority
CN 202010775853 05.08.2020
PCT application
PCT/CN2020/110775 24.08.2020
PCT publication
WO2022/027737 10.02.2022
Filing language
Chinese
Source
Swissreg

History

What the Federal Institute of Intellectual Property published about this title, newest first.

  1. Jan 28, 2026

    Granted

    Specification status
    Non-published patent application → Granted patent
    Status of protective title
    Initiated → Active

    Published in Swissreg on 28.01.2026

Parties

Inventor

ZHOU, Wei

Wuhan, Hubei 430079, CN

ZHOU, Gege

Wuhan, Hubei 430079, CN

LIANG, Chao

Wuhan, Hubei 430079, CN

LIU, Zhongjie

Wuhan, Hubei 430079, CN

CHENG, Yan

Wuhan, Hubei 430079, CN

The register names each party by name and address. A holder or agent is linked to an organization where exactly one entity of the commercial register bears its name; the street of a party not so recognised is not shown here.