- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/1231 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte with both reactants being gaseous or vaporised
Patent holdings for IPC class H01M 8/1231
Total number of patents in this class: 79
10-year publication summary
|
4
|
18
|
13
|
12
|
9
|
7
|
6
|
7
|
15
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 11322 |
9 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
6 |
| Nissan Motor Co., Ltd. | 12249 |
4 |
| Kyocera Corporation | 12735 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
4 |
| Osaka Gas Co., Ltd. | 312 |
4 |
| Morimura Sofc Technology Co.,Ltd | 94 |
4 |
| Hamilton Sundstrand Corporation | 4525 |
3 |
| LG Chem, Ltd. | 17205 |
2 |
| Robert Bosch GmbH | 40953 |
2 |
| NGK Insulators, Ltd. | 4589 |
2 |
| Audi AG | 7153 |
2 |
| Bloom Energy Corporation | 590 |
2 |
| Ceres Intellectual Property Company Limited | 250 |
2 |
| Chaozhou Three-circle (Group) Co., Ltd. | 34 |
2 |
| Upstart Power, Inc. | 26 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
| Sumitomo Electric Industries, Ltd. | 14131 |
1 |
| Hitachi, Ltd. | 16452 |
1 |
| Korea Institute of Science and Technology | 2022 |
1 |
| Other owners | 21 |