- All sections
- C - Chemistrymetallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metalsapparatus therefor
- C25B 9/63 - Holders for electrodesPositioning of the electrodes
Patent holdings for IPC class C25B 9/63
Total number of patents in this class: 256
10-year publication summary
|
0
|
0
|
1
|
2
|
4
|
18
|
31
|
50
|
55
|
72
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 5144 |
26 |
| ThyssenKrupp Nucera AG & Co. KGaA | 63 |
14 |
| Panasonic Intellectual Property Management Co., Ltd. | 32457 |
7 |
| Siemens Energy Global GmbH & Co. KG | 3081 |
7 |
| Verdagy, Inc. | 66 |
7 |
| Tokuyama Corporation | 1430 |
6 |
| Kyocera Corporation | 14083 |
5 |
| Osaka Gas Co., Ltd. | 312 |
5 |
| Hysata Pty Ltd | 23 |
5 |
| The Regents of the University of California | 20289 |
4 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10954 |
4 |
| Asahi Kasei Kabushiki Kaisha | 2719 |
4 |
| John Cockerill Hydrogen Belgium SA | 44 |
4 |
| Robert Bosch GmbH | 43063 |
3 |
| Industrie de Nora S.p.A. | 276 |
3 |
| Saudi Arabian Oil Company | 13656 |
3 |
| Green Hydrogen Systems A/S | 29 |
3 |
| H2i GreenHydrogen GmbH | 17 |
3 |
| Hydro-gen BV | 5 |
3 |
| Wastewater Fuels Ltd | 5 |
3 |
| Other owners | 137 |