- 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: 420
10-year publication summary
|
51
|
53
|
55
|
39
|
26
|
25
|
21
|
28
|
26
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honda Motor Co., Ltd. | 25425 |
38 |
| Toyota Motor Corporation | 32788 |
33 |
| Audi AG | 7375 |
27 |
| Hyundai Motor Company | 22257 |
25 |
| Robert Bosch GmbH | 42813 |
16 |
| Powercell Sweden AB | 111 |
13 |
| Nissan Motor Co., Ltd. | 12523 |
12 |
| Kia Motors Corporation | 7751 |
12 |
| Intelligent Energy Limited | 405 |
11 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10941 |
10 |
| Nuvera Fuel Cells, LLC | 108 |
10 |
| cellcentric GmbH & Co. KG | 185 |
10 |
| LG Chem, Ltd. | 17644 |
9 |
| Bloom Energy Corporation | 662 |
8 |
| Toyota Shatai Kabushiki Kaisha | 436 |
8 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3994 |
7 |
| Top Engineering Co., Ltd. | 33 |
6 |
| Morimura Sofc Technology Co.,Ltd | 87 |
6 |
| GM Global Technology Operations LLC | 15150 |
5 |
| Hydrogenics Corporation | 194 |
5 |
| Other owners | 149 |