- All sections
- C - Chemistry; metallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metals; apparatus therefor
- C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
Patent holdings for IPC class C25B 9/19
Total number of patents in this class: 816
10-year publication summary
|
2
|
8
|
10
|
13
|
61
|
54
|
100
|
196
|
225
|
92
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toshiba Corporation | 12017 |
32 |
| Honda Motor Co., Ltd. | 24537 |
16 |
| Verdagy, Inc. | 40 |
16 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
15 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
13 |
| Siemens Energy Global GmbH & Co. KG | 2775 |
13 |
| The Governing Council of The University of Toronto, | 1361 |
12 |
| Industrie de Nora S.p.A. | 274 |
12 |
| Toshiba Energy Systems & Solutions Corp. | 954 |
11 |
| Totalenergies Onetech | 536 |
11 |
| The University of British Columbia | 1432 |
9 |
| Utility Global, Inc. | 73 |
9 |
| Mangrove Water Technologies Ltd. | 26 |
9 |
| Massachusetts Institute of Technology | 9795 |
8 |
| Battelle Energy Alliance, LLC | 569 |
8 |
| de Nora Permelec Ltd | 152 |
8 |
| Saudi Arabian Oil Company | 11322 |
8 |
| Techwin Co., Ltd. | 57 |
8 |
| Hoeller Electrolyzer GmbH | 35 |
8 |
| The Regents of the University of California | 18943 |
7 |
| Other owners | 583 |