- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/241 - Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes
Patent holdings for IPC class H01M 8/241
Total number of patents in this class: 411
10-year publication summary
|
56
|
54
|
57
|
39
|
29
|
28
|
21
|
28
|
26
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honda Motor Co., Ltd. | 24866 |
37 |
| Toyota Motor Corporation | 30455 |
34 |
| Audi AG | 7281 |
27 |
| Hyundai Motor Company | 20483 |
25 |
| Robert Bosch GmbH | 41786 |
16 |
| Nissan Motor Co., Ltd. | 12352 |
12 |
| Kia Motors Corporation | 7777 |
12 |
| Intelligent Energy Limited | 424 |
11 |
| Nuvera Fuel Cells, LLC | 112 |
11 |
| Powercell Sweden AB | 91 |
11 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10692 |
10 |
| cellcentric GmbH & Co. KG | 179 |
10 |
| LG Chem, Ltd. | 17639 |
9 |
| Toyota Shatai Kabushiki Kaisha | 439 |
8 |
| Bloom Energy Corporation | 629 |
7 |
| Top Engineering Co., Ltd. | 30 |
6 |
| Morimura Sofc Technology Co.,Ltd | 89 |
6 |
| Hydrogenics Corporation | 200 |
5 |
| Volkswagen AG | 7282 |
5 |
| Kia Corporation | 8153 |
5 |
| Other owners | 144 |