- All sections
- C - Chemistrymetallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metalsapparatus therefor
- C25B 11/031 - Porous electrodes
Patent holdings for IPC class C25B 11/031
Total number of patents in this class: 771
10-year publication summary
|
1
|
5
|
26
|
18
|
44
|
68
|
98
|
149
|
166
|
70
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Industrie de Nora S.p.A. | 277 |
18 |
| Sumitomo Electric Industries, Ltd. | 16191 |
17 |
| King Fahd University of Petroleum and Minerals | 1524 |
17 |
| Utility Global, Inc. | 112 |
16 |
| Toshiba Corporation | 12687 |
13 |
| The Regents of the University of California | 20590 |
9 |
| NGK Insulators, Ltd. | 5223 |
9 |
| The University of Tokyo | 4333 |
9 |
| Chiyoda Corporation | 420 |
8 |
| Toshiba Energy Systems & Solutions Corp. | 1140 |
8 |
| Evonik Operations GmbH | 4283 |
8 |
| Hyundai Motor Company | 24105 |
7 |
| Kabushiki Kaisha Toyota Jidoshokki | 1806 |
7 |
| Siemens Energy Global GmbH & Co. KG | 3287 |
7 |
| Kia Corporation | 11859 |
7 |
| Samsung Electro-mechanics Co., Ltd. | 5944 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 33812 |
6 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5202 |
6 |
| Korea Institute of Science and Technology | 2214 |
6 |
| Korea Advanced Institute of Science and Technology | 4604 |
6 |
| Other owners | 581 |