Patent holdings for IPC class C04B 35/18

Total number of patents in this class: 318

10-year publication summary

21
28
30
17
21
10
16
12
10
3
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Safran Ceramics
421
17
Corning Incorporated
10406
12
Safran Aircraft Engines
6511
11
NGK Insulators, Ltd.
5180
10
SAFRAN S.A.
638
9
Ibiden Co., Ltd.
1681
9
Centre National de La Recherche Scientifique
10846
7
Calderys France
57
7
Nippon Electric Glass Co., Ltd.
2513
6
Saint-Gobain Centre de Recherches et d'Etudes Europeen
493
6
Vecor IP Holdings Limited
29
6
Massachusetts Institute of Technology
10192
5
CARBO Ceramics Inc.
229
5
Refractory Intellectual Property GmbH & Co. KG
557
5
General Electric Company
13811
4
Nichias Corporation
399
4
Safran Nacelles
758
4
Siemens AG
24237
3
Murata Manufacturing Co., Ltd.
25464
3
Johnson Matthey Public Limited Company
1742
3
Other owners 182