- 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: 490
10-year publication summary
|
3
|
8
|
25
|
34
|
41
|
65
|
59
|
75
|
68
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ENEOS Corporation | 665 |
34 |
| Dioxycle | 75 |
28 |
| Twelve Benefit Corporation | 157 |
26 |
| The Governing Council of The University of Toronto, | 1531 |
17 |
| Toshiba Corporation | 12698 |
16 |
| Totalenergies Onetech | 1489 |
14 |
| Siemens Energy Global GmbH & Co. KG | 3237 |
12 |
| de Nora Permelec Ltd | 163 |
9 |
| National University Corporation Yokohama National University | 345 |
9 |
| Evonik Operations GmbH | 4218 |
9 |
| Wisconsin Alumni Research Foundation | 3922 |
8 |
| The Regents of the University of California | 20473 |
7 |
| Board of Trustees of Michigan State University | 1205 |
7 |
| Japan Science and Technology Agency | 1239 |
6 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2407 |
6 |
| Avantium Knowledge Centre B.V. | 198 |
6 |
| Evonik Functional Solutions GmbH | 14 |
6 |
| Honda Motor Co., Ltd. | 25846 |
5 |
| Centre National de La Recherche Scientifique | 10846 |
4 |
| Sumitomo Electric Industries, Ltd. | 16061 |
4 |
| Other owners | 257 |