- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/24 - Grouping of fuel cells, e.g. stacking of fuel cells
Patent holdings for IPC class H01M 8/24
Total number of patents in this class: 2542
10-year publication summary
|
183
|
90
|
82
|
51
|
30
|
35
|
30
|
43
|
27
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honda Motor Co., Ltd. | 24865 |
197 |
| Nissan Motor Co., Ltd. | 12332 |
117 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13109 |
91 |
| Toyota Motor Corporation | 30345 |
84 |
| Bloom Energy Corporation | 627 |
74 |
| Intelligent Energy Limited | 427 |
65 |
| GM Global Technology Operations LLC | 14197 |
61 |
| Kyocera Corporation | 13327 |
60 |
| Hyundai Motor Company | 20403 |
53 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10682 |
51 |
| Daimler AG | 3418 |
42 |
| Panasonic Corporation | 20327 |
41 |
| Audi AG | 7270 |
38 |
| UTC Power Corporation | 261 |
33 |
| Toyota Jidosha Kabushiki Kaisha | 925 |
31 |
| Murata Manufacturing Co., Ltd. | 23648 |
26 |
| FuelCell Energy, Inc. | 328 |
25 |
| Watt Fuel Cell Corp. | 147 |
25 |
| Morimura Sofc Technology Co.,Ltd | 89 |
25 |
| Robert Bosch GmbH | 41717 |
23 |
| Other owners | 1380 |