OPTISCHER FILM

Patent europeic · EP4184225 · En vigur

Inscripziun en il register

Numer da publicaziun
EP4184225
Numer da la dumonda
EP21842442
Gener
Patent europeic cun effect per la Svizra ed il Liechtenstein
Status
En vigur
Scrittira da patent
Concedì
Annunzià
09-07-2021
Publitgà
24-05-2023
Concedì
03-12-2025
La protecziun finescha il pli tard
08-07-2041
Proxima taxa annuala scadenta
31-07-2026
Classas IPC
G02B 5/30 (2006.01)
G02B 1/14 (2015.01)
Prioritad
JP 2020122713 17.07.2020
Dumonda PCT
PCT/JP2021/025892 09.07.2021
Publicaziun PCT
WO2022/014478 20.01.2022
Lingua da l’annunzia
giapunais
Funtauna
Swissreg

Istorgia

Quai che l’Institut federal da la proprietad intellectuala ha publitgà davart quest titel, il pli nov l’emprim.

  1. 14-10-2026

    Midada

    Published in Swissreg on 14.10.2026

  2. 03-12-2025

    Concedì

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

    Published in Swissreg on 03.12.2025

Partidas

Possessur

MITSUBISHI GAS CHEMICAL COMPANY, INC.

5-2, Marunouchi 2-chome, Chiyoda-ku Tokyo 100-8324, JP

Inventur

KATO, Noriyuki

Tokyo 100-8324, JP

IKEDA, Shinya

Niigata-shi, Niigata 950-3121, JP

HIRAKAWA, Manabu

Hiratsuka-shi, Kanagawa 254-0016, JP

Il register numna mintga partida cun num ed adressa. In possessur u in represchentant vegn collià cun in’organisaziun, sch’exact ina unitad giuridica dal register da commerzi porta ses num; la via d’ina partida betg enconuschida uschia na vegn betg mussada qua.