Patent holdings for IPC class C25B 11/03

Total number of patents in this class: 617

10-year publication summary

54
65
60
79
73
72
46
24
26
8
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Siemens AG
24990
27
de Nora Permelec Ltd
152
19
Sumitomo Electric Industries, Ltd.
14131
15
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation
6275
14
Toshiba Corporation
12017
13
Asahi Kasei Kabushiki Kaisha
2429
13
Industrie de Nora S.p.A.
274
13
Panasonic Intellectual Property Management Co., Ltd.
27812
11
Covestro Deutschland AG
2429
11
The Chugoku Electric Power Co., Inc.
498
10
National University Corporation Yokohama National University
328
8
Edac Labs, Inc.
14
8
Aquahydrex Pty Ltd
16
6
JX Nippon Oil & Energy Corporation
1019
6
Permelec Electrode Ltd.
19
6
Siemens Energy Global GmbH & Co. KG
2775
6
The Regents of the University of California
18943
5
Centre National de La Recherche Scientifique
9632
5
The Board of Trustees of the Leland Stanford Junior University
6054
5
Wisconsin Alumni Research Foundation
3774
5
Other owners 411