- 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: 1380
10-year publication summary
|
86
|
111
|
155
|
111
|
131
|
124
|
126
|
130
|
132
|
28
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honda Motor Co., Ltd. | 25858 |
87 |
| Robert Bosch GmbH | 43554 |
86 |
| Hyundai Motor Company | 23688 |
69 |
| Toyota Motor Corporation | 34545 |
60 |
| Audi AG | 7469 |
57 |
| Reinz-Dichtungs-GmbH | 281 |
41 |
| Nissan Motor Co., Ltd. | 12757 |
32 |
| Kia Motors Corporation | 7725 |
32 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10993 |
30 |
| Kia Corporation | 11444 |
28 |
| Bloom Energy Corporation | 671 |
27 |
| Intelligent Energy Limited | 382 |
23 |
| Sumitomo Electric Industries, Ltd. | 16071 |
22 |
| LG Chem, Ltd. | 17813 |
20 |
| EKPO Fuel Cell Technologies GmbH | 104 |
20 |
| Kyocera Corporation | 14241 |
15 |
| Osaka Gas Co., Ltd. | 313 |
15 |
| Toyota Shatai Kabushiki Kaisha | 432 |
14 |
| GM Global Technology Operations LLC | 15776 |
13 |
| Panasonic Intellectual Property Management Co., Ltd. | 33462 |
13 |
| Other owners | 676 |