Patent holdings for IPC class C04B 35/20

Total number of patents in this class: 95

10-year publication summary

12
10
6
4
4
6
6
4
5
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Murata Manufacturing Co., Ltd.
23743
12
TDK Corporation
6543
8
Massachusetts Institute of Technology
9921
4
Refratechnik Holding GmbH
145
4
Unifrax I LLC
241
3
Hitachi Metals, Ltd.
2020
2
Applied Materials, Inc.
17779
2
Corning Incorporated
10139
2
Ferro Corporation
262
2
Ilem Research and Development Establishment
2
2
NHK Spring Co., Ltd.
1773
2
Nissan Chemical Industries, Ltd.
1757
2
Refractory Intellectual Property GmbH & Co. KG
526
2
EM-TECH. Co., Ltd.
79
2
Razvojni center ENEM novi materiali d.o.o.
11
2
«NIKA-PETROTECH» Limited Liability Company
3
2
Jiaxing Glead Electronics Co., Ltd
13
2
Raytheon Technologies Corporation
234
2
General Electric Company
17794
1
Seiko Epson Corporation
19005
1
Other owners 36