- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/0258 - Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
Patent holdings for IPC class H01M 8/0258
Total number of patents in this class: 1093
10-year publication summary
|
68
|
64
|
92
|
116
|
162
|
112
|
135
|
133
|
125
|
39
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honda Motor Co., Ltd. | 24537 |
66 |
| Robert Bosch GmbH | 40953 |
62 |
| Audi AG | 7153 |
58 |
| Hyundai Motor Company | 19021 |
53 |
| Toyota Motor Corporation | 28582 |
50 |
| Kia Motors Corporation | 7946 |
32 |
| Nissan Motor Co., Ltd. | 12249 |
31 |
| Intelligent Energy Limited | 464 |
23 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
21 |
| LG Chem, Ltd. | 17205 |
20 |
| Reinz-Dichtungs-GmbH | 245 |
20 |
| Sumitomo Electric Industries, Ltd. | 14131 |
17 |
| Bloom Energy Corporation | 590 |
17 |
| Osaka Gas Co., Ltd. | 312 |
16 |
| Nuvera Fuel Cells, LLC | 111 |
14 |
| Toyota Shatai Kabushiki Kaisha | 442 |
14 |
| Volkswagen AG | 6966 |
14 |
| Kia Corporation | 6450 |
12 |
| EKPO Fuel Cell Technologies GmbH | 62 |
12 |
| GM Global Technology Operations LLC | 13620 |
10 |
| Other owners | 531 |