- All sections
- C - Chemistrymetallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metalsapparatus therefor
- C25B 15/023 - Measuring, analysing or testing during electrolytic production
Patent holdings for IPC class C25B 15/023
Total number of patents in this class: 352
10-year publication summary
|
2
|
1
|
2
|
5
|
4
|
21
|
69
|
97
|
88
|
27
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Energy Global GmbH & Co. KG | 2863 |
13 |
| Ohmium International, Inc. | 121 |
10 |
| Asahi Kasei Kabushiki Kaisha | 2611 |
9 |
| Hitachi, Ltd. | 15316 |
8 |
| Enapter SRL | 34 |
8 |
| Honda Motor Co., Ltd. | 25093 |
6 |
| Toyota Motor Corporation | 30756 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 30429 |
6 |
| Recherche 2000 Inc. | 31 |
6 |
| Resonac Corporation | 2571 |
6 |
| Nippon Telegraph and Telephone Corporation | 16786 |
5 |
| ABB Schweiz AG | 6778 |
5 |
| Hitachi Zosen iNova AG | 74 |
5 |
| ENEOS Corporation | 592 |
5 |
| John Cockerill Hydrogen Belgium SA | 35 |
5 |
| Dioxycle | 62 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 8569 |
4 |
| Robert Bosch GmbH | 42102 |
4 |
| Chiyoda Corporation | 391 |
4 |
| Osaka University | 3323 |
4 |
| Other owners | 228 |