Patent holdings for IPC class C25B 3/03

Total number of patents in this class: 386

10-year publication summary

0
0
1
2
4
18
43
63
83
86
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
ENEOS Corporation
642
23
Totalenergies Onetech
1413
23
Twelve Benefit Corporation
158
20
The Governing Council of The University of Toronto,
1500
19
Dioxycle
70
17
Honda Motor Co., Ltd.
25773
16
Chiyoda Corporation
398
11
Battelle Energy Alliance, LLC
592
8
Mitsui Mining & Smelting Co., Ltd.
1508
8
The Furukawa Electric Co., Ltd.
3706
7
College de France
124
7
The University of Tokyo
4242
7
Siemens Energy Global GmbH & Co. KG
3056
7
Paqell B.V.
27
5
Wisconsin Alumni Research Foundation
3888
4
de Nora Permelec Ltd
160
4
Johnson Matthey Public Limited Company
1777
4
Kyushu University, National University Corporation
1665
4
Osaka Gas Co., Ltd.
312
4
LG Chem, Ltd.
17685
3
Other owners 185