Patent holdings for IPC class C04B 35/58

Total number of patents in this class: 684

10-year publication summary

56
61
63
78
57
56
41
43
24
13
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Sumitomo Electric Industries, Ltd.
15344
20
Tosoh Corporation
1264
19
Mitsubishi Materials Corporation
2431
18
NGK Insulators, Ltd.
4920
17
Safran Ceramics
407
17
General Electric Company
13829
14
Saint-Gobain Ceramics & Plastics, Inc.
841
12
Kyocera Corporation
13689
11
Alcoa USA Corp.
198
11
Safran Aircraft Engines
6237
11
TDK Corporation
6674
9
Saint-Gobain Centre de Recherches et d'Etudes Europeen
490
9
Centre National de La Recherche Scientifique
10321
8
Corning Incorporated
10240
8
The United States of America as represented by the Secretary of the Navy
2735
8
HRL Laboratories, LLC
1599
8
BASF SE
20777
7
SAFRAN S.A.
605
7
Diamond Innovations, Inc.
235
7
Powdermet, Inc.
45
7
Other owners 456