POLYKRISTALLINES KUBISCHES BORNITRID

European patent · EP3858803 · In force

Register entry

Publication number
EP3858803
Application number
EP19867895
Kind
European patent with effect for Switzerland and Liechtenstein
Status
In force
Specification
Granted
Filed
Sep 4, 2019
Published
Aug 4, 2021
Granted
Sep 24, 2025
Protection ends at the latest
Sep 3, 2039
Next annual fee due
Sep 30, 2026
IPC classes
C04B 35/5831 (2006.01)
C04B 35/645 (2006.01)
C01B 21/064 (2006.01)
Priority
JP 2018182464 27.09.2018
PCT application
PCT/JP2019/034850 04.09.2019
PCT publication
WO2020/066517 02.04.2020
Filing language
Japanese
Source
Swissreg

History

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

  1. Aug 5, 2026

    Change

    Published in Swissreg on 05.08.2026

  2. Sep 24, 2025

    Granted

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

    Published in Swissreg on 24.09.2025

Parties

Holder

Sumitomo Electric Hardmetal Corp.

1-1, Koyakita 1-chome, Itami-shi, Hyogo 664-0016, JP

Sumitomo Electric Industries, Ltd

SUMITOMO ELECTRIC INDUSTRIES, LTD.

5-33, Kitahama 4-chome, Chuo-ku,, Osaka-shi, Osaka 541-0041, JP

Inventor

HIRANO, Tsutomu

Itami-shi, Hyogo 664-0016, JP

KUKINO, Satoru

Itami-shi, Hyogo 664-0016, JP

HIRAI, Kei

Osaka-shi, Osaka 541-0041, 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.