- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/0258 - CollectorsSeparators, e.g. bipolar separatorsInterconnectors 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: 1339
10-year publication summary
|
61
|
86
|
111
|
155
|
111
|
131
|
124
|
124
|
130
|
127
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honda Motor Co., Ltd. | 25784 |
86 |
| Robert Bosch GmbH | 43096 |
82 |
| Hyundai Motor Company | 22842 |
68 |
| Toyota Motor Corporation | 33519 |
59 |
| Audi AG | 7400 |
57 |
| Reinz-Dichtungs-GmbH | 282 |
39 |
| Nissan Motor Co., Ltd. | 12673 |
33 |
| Kia Motors Corporation | 7743 |
32 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10954 |
27 |
| Bloom Energy Corporation | 669 |
27 |
| Kia Corporation | 10572 |
27 |
| Intelligent Energy Limited | 402 |
24 |
| LG Chem, Ltd. | 17706 |
20 |
| Sumitomo Electric Industries, Ltd. | 15789 |
20 |
| EKPO Fuel Cell Technologies GmbH | 93 |
17 |
| Osaka Gas Co., Ltd. | 311 |
15 |
| Kyocera Corporation | 14091 |
14 |
| Toyota Shatai Kabushiki Kaisha | 432 |
14 |
| GM Global Technology Operations LLC | 15401 |
13 |
| Panasonic Intellectual Property Management Co., Ltd. | 32504 |
13 |
| Other owners | 652 |