Patent holdings for IPC class C25C 5/02

Total number of patents in this class: 103

10-year publication summary

17
13
11
7
4
8
9
6
7
3
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Sumitomo Metal Mining Co., Ltd.
1777
13
Universite Laval
717
5
Mitsui Mining & Smelting Co., Ltd.
1478
4
Institute of Chemical Technology
14
3
Ongc Energy Centre Trust
13
3
University of Massachusetts
2224
3
General Electric Company
13762
2
BASF SE
20912
2
Battelle Energy Alliance, LLC
581
2
Aqua Metals, Inc.
38
2
Freeport-McMoRan Corporation
20
2
Syddansk Universitet
176
2
Zinc8 Energy Solutions Inc.
15
2
Fortescue Future Industries Pty Ltd
56
2
The Regents of the University of California
19887
1
Hewlett-Packard Development Company, L.P.
25887
1
Panasonic Intellectual Property Management Co., Ltd.
31273
1
Massachusetts Institute of Technology
10041
1
The United States of America as represented by the Secretary of the Navy
2744
1
The Regents of the University of Michigan
4689
1
Other owners 50