Patent holdings for IPC class C04B 35/03

Total number of patents in this class: 93

10-year publication summary

4
8
6
6
5
7
1
5
2
1
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Refratechnik Holding GmbH
145
7
Refractory Intellectual Property GmbH & Co. KG
537
6
NGK Insulators, Ltd.
4900
5
Corning Incorporated
10200
3
Saint-Gobain Ceramics & Plastics, Inc.
843
3
Specialty Minerals (Michigan) Inc.
216
3
TDK Corporation
6661
2
Kyocera Corporation
13630
2
Amotech Co., Ltd.
517
2
DeguDent GmbH
225
2
DENTSPLY SIRONA Inc.
1860
2
Heraeus Sensor Technology GmbH
34
2
Krosakiharima Corporation
280
2
Nippon Steel Corporation
6139
2
Sococo, Inc.
89
2
Technologies Avancees & Membranes Industrielles
39
2
Technologies Avancees et Membranes Industrielles
22
2
NGK Electronics Devices, Inc.
67
2
Murata Manufacturing Co., Ltd.
24260
1
The United States of America as represented by the Secretary of the Navy
2734
1
Other owners 40