VERFAHREN ZUR HERSTELLUNG EINES AR-OPTISCHEN ELEMENTS

European patent · EP4220251 · In force

Register entry

Publication number
EP4220251
Application number
EP21872315
Kind
European patent with effect for Switzerland and Liechtenstein
Status
In force
Specification
Granted
Filed
Sep 16, 2021
Published
Aug 2, 2023
Granted
Jul 8, 2026
Protection ends at the latest
Sep 15, 2041
Next annual fee due
Sep 30, 2026
IPC classes
G02B 5/32 (2006.01)
G02B 27/02 (2006.01)
G02B 27/01 (2006.01)
G03H 1/04 (2006.01)
G03H 1/08 (2006.01)
G03H 1/26 (2006.01)
Priority
JP 2020158276 23.09.2020
PCT application
PCT/JP2021/034066 16.09.2021
PCT publication
WO2022/065185 31.03.2022
Filing language
Japanese
Source
Swissreg

History

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

  1. Jul 8, 2026

    Granted

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

    Published in Swissreg on 08.07.2026

Parties

Inventor

WAKUNAMI Koki

Koganei-shi, Tokyo 184-8795, JP

ICHIHASHI Yasuyuki

Koganei-shi, Tokyo 184-8795, JP

YOSHIDA Shunsuke

Koganei-shi, Tokyo 184-8795, JP

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.