- 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: 1312
10-year publication summary
|
61
|
86
|
111
|
155
|
111
|
131
|
124
|
124
|
130
|
107
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 42824 |
82 |
| Honda Motor Co., Ltd. | 25499 |
78 |
| Hyundai Motor Company | 22315 |
67 |
| Audi AG | 7377 |
57 |
| Toyota Motor Corporation | 32869 |
56 |
| Reinz-Dichtungs-GmbH | 280 |
39 |
| Nissan Motor Co., Ltd. | 12550 |
33 |
| Kia Motors Corporation | 7751 |
32 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10946 |
27 |
| Bloom Energy Corporation | 662 |
26 |
| Kia Corporation | 10020 |
26 |
| Intelligent Energy Limited | 405 |
24 |
| LG Chem, Ltd. | 17656 |
20 |
| Sumitomo Electric Industries, Ltd. | 15609 |
20 |
| EKPO Fuel Cell Technologies GmbH | 92 |
17 |
| Osaka Gas Co., Ltd. | 312 |
15 |
| Kyocera Corporation | 13930 |
14 |
| Toyota Shatai Kabushiki Kaisha | 435 |
14 |
| GM Global Technology Operations LLC | 15162 |
13 |
| Panasonic Intellectual Property Management Co., Ltd. | 31882 |
13 |
| Other owners | 639 |