- 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: 442
10-year publication summary
|
0
|
0
|
0
|
0
|
2
|
18
|
56
|
81
|
88
|
102
|
| 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 | 3096 |
20 |
| Asahi Kasei Kabushiki Kaisha | 2718 |
11 |
| Hitachi, Ltd. | 15726 |
10 |
| Ohmium International, Inc. | 128 |
10 |
| Honda Motor Co., Ltd. | 25780 |
9 |
| Robert Bosch GmbH | 43114 |
8 |
| Enapter SRL | 36 |
8 |
| ENEOS Corporation | 643 |
8 |
| Mitsubishi Heavy Industries, Ltd. | 8910 |
7 |
| Bloom Energy Corporation | 670 |
7 |
| Recherche 2000 Inc. | 34 |
7 |
| John Cockerill Hydrogen Belgium SA | 44 |
7 |
| Toyota Motor Corporation | 33572 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 32551 |
6 |
| ABB Schweiz AG | 7219 |
6 |
| Mitsubishi Power, Ltd. | 1810 |
6 |
| Resonac Corporation | 3018 |
6 |
| Nippon Telegraph and Telephone Corporation | 16254 |
5 |
| Shaheen Innovations Holding Limited | 126 |
5 |
| Electric Hydrogen Co. | 169 |
5 |
| Other owners | 285 |