- 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: 526
10-year publication summary
|
7
|
10
|
29
|
36
|
46
|
74
|
68
|
88
|
71
|
39
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ENEOS Corporation | 720 |
35 |
| Dioxycle | 87 |
31 |
| Twelve Benefit Corporation | 149 |
25 |
| The Governing Council of The University of Toronto, | 1551 |
18 |
| Toshiba Corporation | 12732 |
17 |
| Totalenergies Onetech | 1549 |
16 |
| Siemens Energy Global GmbH & Co. KG | 3489 |
13 |
| Evonik Operations GmbH | 4430 |
10 |
| de Nora Permelec Ltd | 165 |
9 |
| National University Corporation Yokohama National University | 346 |
9 |
| Wisconsin Alumni Research Foundation | 3905 |
8 |
| The Regents of the University of California | 20924 |
7 |
| Board of Trustees of Michigan State University | 1239 |
7 |
| Honda Motor Co., Ltd. | 26594 |
6 |
| Japan Science and Technology Agency | 1207 |
6 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2461 |
6 |
| Evonik Functional Solutions GmbH | 14 |
6 |
| Centre National de La Recherche Scientifique | 11122 |
5 |
| Sumitomo Electric Industries, Ltd. | 16404 |
5 |
| Ruhr-Universität Bochum | 93 |
5 |
| Other owners | 282 |