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
408
17
Corning Incorporated
10246
12
NGK Insulators, Ltd.
4944
11
Safran Aircraft Engines
6265
11
SAFRAN S.A.
612
9
Ibiden Co., Ltd.
1712
9
Vecor IP Holdings Limited
32
8
Centre National de La Recherche Scientifique
10408
7
Calderys France
50
6
Nippon Electric Glass Co., Ltd.
2453
6
Saint-Gobain Centre de Recherches et d'Etudes Europeen
491
6
Massachusetts Institute of Technology
10030
5
CARBO Ceramics Inc.
237
5
Refractory Intellectual Property GmbH & Co. KG
537
5
General Electric Company
13829
4
Nichias Corporation
392
4
Safran Nacelles
713
4
Imertech SAS
229
4
Siemens AG
24525
3
Murata Manufacturing Co., Ltd.
24444
3
Other owners 179