- All sections
- C - Chemistrymetallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metalsapparatus therefor
- C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms
Patent holdings for IPC class C25B 9/19
Total number of patents in this class: 1134
10-year publication summary
|
8
|
10
|
14
|
62
|
56
|
105
|
200
|
244
|
261
|
101
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toshiba Corporation | 12264 |
34 |
| Verdagy, Inc. | 59 |
22 |
| ThyssenKrupp Nucera AG & Co. KGaA | 50 |
21 |
| Honda Motor Co., Ltd. | 25116 |
18 |
| Panasonic Intellectual Property Management Co., Ltd. | 30822 |
18 |
| Siemens Energy Global GmbH & Co. KG | 2904 |
17 |
| Asahi Kasei Kabushiki Kaisha | 2633 |
16 |
| Utility Global, Inc. | 100 |
16 |
| Saudi Arabian Oil Company | 12808 |
15 |
| Toshiba Energy Systems & Solutions Corp. | 1057 |
14 |
| Totalenergies Onetech | 1244 |
14 |
| The Governing Council of The University of Toronto, | 1455 |
13 |
| The Regents of the University of California | 19784 |
12 |
| Massachusetts Institute of Technology | 9984 |
12 |
| Industrie de Nora S.p.A. | 276 |
12 |
| de Nora Permelec Ltd | 158 |
11 |
| Techwin Co., Ltd. | 64 |
11 |
| The University of British Columbia | 1487 |
11 |
| Mangrove Water Technologies Ltd. | 31 |
11 |
| The Board of Trustees of the University of Illinois | 2693 |
10 |
| Other owners | 826 |