- All sections
- C - Chemistrymetallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metalsapparatus therefor
- C25B 3/25 - Reduction
Patent holdings for IPC class C25B 3/25
Total number of patents in this class: 421
10-year publication summary
|
5
|
7
|
10
|
29
|
32
|
45
|
72
|
65
|
77
|
35
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ENEOS Corporation | 611 |
25 |
| Twelve Benefit Corporation | 152 |
25 |
| Dioxycle | 66 |
24 |
| The Governing Council of The University of Toronto, | 1476 |
17 |
| Toshiba Corporation | 12336 |
15 |
| Totalenergies Onetech | 1323 |
13 |
| Siemens Energy Global GmbH & Co. KG | 2957 |
11 |
| de Nora Permelec Ltd | 159 |
9 |
| National University Corporation Yokohama National University | 335 |
9 |
| Wisconsin Alumni Research Foundation | 3877 |
7 |
| Board of Trustees of Michigan State University | 1183 |
7 |
| Evonik Operations GmbH | 4105 |
7 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2376 |
6 |
| Evonik Functional Solutions GmbH | 14 |
6 |
| Japan Science and Technology Agency | 1323 |
5 |
| Avantium Knowledge Centre B.V. | 192 |
5 |
| Prometheus Fuels Inc | 31 |
5 |
| Honda Motor Co., Ltd. | 25251 |
4 |
| The Regents of the University of California | 19918 |
4 |
| Centre National de La Recherche Scientifique | 10418 |
4 |
| Other owners | 213 |