Patent holdings for IPC class C04B 35/622

Total number of patents in this class: 1717

10-year publication summary

108
126
178
163
177
122
151
167
143
50
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Rtx Corporation
8674
37
Quantumscape Battery, Inc.
168
36
General Electric Company
18133
31
Corning Incorporated
9932
27
Applied Materials, Inc.
16587
25
NGK Insulators, Ltd.
4589
23
Murata Manufacturing Co., Ltd.
22355
21
Safran Ceramics
366
17
Saint-Gobain Centre de Recherches et d'Etudes Europeen
475
16
Guangdong University of Technology
466
15
Rolls-Royce Corporation
1686
15
Centre National de La Recherche Scientifique
9632
13
Hengdian Group Dmegc Magnetics Co., Ltd
117
12
TDK Corporation
6306
11
Saint-Gobain Ceramics & Plastics, Inc.
812
11
Toshiba Corporation
12017
10
HRL Laboratories, LLC
1588
10
Unifrax I LLC
239
10
Refractory Intellectual Property GmbH & Co. KG
502
9
PI Advanced Materials Co., Ltd.
157
9
Other owners 1359