Patent holdings for IPC class C04B 35/18

Total number of patents in this class: 319

10-year publication summary

23
30
36
18
21
10
16
12
13
5
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Safran Ceramics
447
17
Corning Incorporated
10510
12
Safran Aircraft Engines
6704
11
NGK Insulators, Ltd.
5239
10
SAFRAN S.A.
792
9
Ibiden Co., Ltd.
1667
9
Centre National de La Recherche Scientifique
11026
7
Calderys France
58
7
Nippon Electric Glass Co., Ltd.
2558
6
Saint-Gobain Centre de Recherches et d'Etudes Europeen
495
6
Vecor IP Holdings Limited
30
6
General Electric Company
13910
5
Massachusetts Institute of Technology
10254
5
CARBO Ceramics Inc.
176
5
Refractory Intellectual Property GmbH & Co. KG
569
5
Nichias Corporation
403
4
Safran Nacelles
800
4
Siemens AG
24020
3
Murata Manufacturing Co., Ltd.
25758
3
Johnson Matthey Public Limited Company
1761
3
Other owners 182