- 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: 674
10-year publication summary
|
1
|
4
|
22
|
16
|
39
|
56
|
88
|
146
|
157
|
4
|
| 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. | 274 |
17 |
| Sumitomo Electric Industries, Ltd. | 15848 |
15 |
| Utility Global, Inc. | 103 |
14 |
| Toshiba Corporation | 12550 |
12 |
| King Fahd University of Petroleum and Minerals | 1392 |
11 |
| NGK Insulators, Ltd. | 5161 |
9 |
| Toshiba Energy Systems & Solutions Corp. | 1110 |
8 |
| Evonik Operations GmbH | 4171 |
8 |
| The Regents of the University of California | 20315 |
7 |
| The University of Tokyo | 4262 |
7 |
| Samsung Electro-mechanics Co., Ltd. | 5721 |
6 |
| Hyundai Motor Company | 22972 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 32675 |
6 |
| Chiyoda Corporation | 401 |
6 |
| College de France | 127 |
6 |
| The Governing Council of The University of Toronto, | 1509 |
6 |
| Mitsubishi Materials Corporation | 2471 |
6 |
| Siemens Energy Global GmbH & Co. KG | 3105 |
6 |
| Kia Corporation | 10701 |
6 |
| The Board of Trustees of the University of Illinois | 2727 |
5 |
| Other owners | 507 |