Patent holdings for IPC class C04B 35/18

Total number of patents in this class: 318

10-year publication summary

23
23
30
36
18
21
10
15
12
8
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Safran Ceramics
407
17
Corning Incorporated
10259
12
NGK Insulators, Ltd.
4955
11
Safran Aircraft Engines
6276
11
SAFRAN S.A.
616
9
Ibiden Co., Ltd.
1704
9
Vecor IP Holdings Limited
32
8
Centre National de La Recherche Scientifique
10418
7
Calderys France
52
7
Nippon Electric Glass Co., Ltd.
2456
6
Saint-Gobain Centre de Recherches et d'Etudes Europeen
488
6
Massachusetts Institute of Technology
10057
5
CARBO Ceramics Inc.
236
5
Refractory Intellectual Property GmbH & Co. KG
545
5
General Electric Company
13780
4
Nichias Corporation
392
4
Safran Nacelles
715
4
Siemens AG
24484
3
Murata Manufacturing Co., Ltd.
24526
3
Johnson Matthey Public Limited Company
1850
3
Other owners 179