Patent holdings for IPC class C25B 3/03

Total number of patents in this class: 496

10-year publication summary

0
2
2
5
21
47
73
90
104
74
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Totalenergies Onetech
1544
30
ENEOS Corporation
706
26
Dioxycle
83
24
The Governing Council of The University of Toronto,
1547
23
Twelve Benefit Corporation
152
18
Honda Motor Co., Ltd.
26154
17
Chiyoda Corporation
430
15
The University of Tokyo
4380
11
Siemens Energy Global GmbH & Co. KG
3447
10
Battelle Energy Alliance, LLC
589
8
College de France
134
8
LG Chem, Ltd.
17956
7
Mitsui Mining & Smelting Co., Ltd.
1069
7
The Furukawa Electric Co., Ltd.
3693
6
Wisconsin Alumni Research Foundation
3903
5
Daikin Industries, Ltd.
10513
5
The Doshisha
229
5
Johnson Matthey Public Limited Company
1767
5
King Fahd University of Petroleum and Minerals
1594
5
Paqell B.V.
26
5
Other owners 256