Patent holdings for IPC class C25B 13/08

Total number of patents in this class: 881

10-year publication summary

47
53
36
60
58
44
88
97
160
144
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Agc, Inc.
4827
60
Asahi Kasei Kabushiki Kaisha
2666
35
Toray Industries, Inc.
6936
30
Twelve Benefit Corporation
146
27
Uop LLC
4244
18
Agfa-Gevaert
287
18
Dioxide Materials, Inc.
46
18
Johnson Matthey Hydrogen Technologies Limited
113
15
3m Innovative Properties Company
17849
14
Asahi Glass Company, Limited
2792
14
W. L. Gore & Associates, Inc.
2683
14
Totalenergies Onetech
1319
12
de Nora Permelec Ltd
159
11
The Governing Council of The University of Toronto,
1475
10
Rensselaer Polytechnic Institute
821
10
The Regents of the University of California
19898
9
IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
1381
9
Shaheen Innovations Holding Limited
122
9
Ohmium International, Inc.
124
9
Idemitsu Kosan Co., Ltd.
4220
8
Other owners 531