OPTISCHER HALBLEITERMODULATOR

European patent · EP4191325 · In force

Register entry

Publication number
EP4191325
Application number
EP20947332
Kind
European patent with effect for Switzerland and Liechtenstein
Status
In force
Specification
Granted
Filed
Jul 29, 2020
Published
Jun 7, 2023
Granted
Sep 3, 2025
Protection ends at the latest
Jul 28, 2040
Next annual fee due
Jul 31, 2026
IPC classes
G02F 1/015 (2006.01)
PCT application
PCT/JP2020/029132 29.07.2020
PCT publication
WO2022/024276 03.02.2022
Filing language
Japanese
Source
Swissreg

History

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

  1. Jul 15, 2026

    Change

    Published in Swissreg on 15.07.2026

  2. Sep 17, 2025

    Change

    Published in Swissreg on 17.09.2025

  3. Sep 3, 2025

    Granted

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

    Published in Swissreg on 03.09.2025

  4. Sep 3, 2025

    Owner

    Owner
    Nippon Telegraph And Telephone Corporation, 5-1, Otemachi 1-chome, Chiyoda-ku, Tokyo 100-8116, Japan → NTT, Inc., 5-1, Otemachi 1-chome, Chiyoda-ku, Tokyo 100-8116, Japan

    Published in Swissreg on 03.09.2025

Parties

Holder

NTT, Inc.

5-1, Otemachi 1-chome Chiyoda-ku, Tokyo 100-8116, JP

Inventor

OZAKI Josuke

Musashino-shi, Tokyo 180-8585, JP

OGISO Yoshihiro

Musashino-shi, Tokyo 180-8585, 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.