- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/04298 - Processes for controlling fuel cells or fuel cell systems
Patent holdings for IPC class H01M 8/04298
Total number of patents in this class: 264
10-year publication summary
|
29
|
28
|
17
|
18
|
15
|
25
|
39
|
25
|
27
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 43385 |
26 |
| Toyota Motor Corporation | 34148 |
12 |
| Bloom Energy Corporation | 668 |
8 |
| Hyundai Motor Company | 23382 |
7 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10978 |
7 |
| A3 Labs LLC | 16 |
7 |
| ESS Tech, Inc. | 196 |
6 |
| Korea Institute of Energy Research | 873 |
6 |
| Cougar Creek Technologies, LLC | 26 |
6 |
| Cummins Inc. | 2578 |
5 |
| Honda Motor Co., Ltd. | 25804 |
4 |
| Kia Motors Corporation | 7738 |
4 |
| AVL List GmbH | 1326 |
4 |
| FuelCell Energy, Inc. | 329 |
4 |
| Sang-a Frontec Co., Ltd. | 19 |
4 |
| General Electric Company | 13804 |
3 |
| LG Chem, Ltd. | 17778 |
3 |
| Hydrogenics Corporation | 188 |
3 |
| Tongji University | 550 |
3 |
| Toyota Motor Engineering & Manufacturing North America, Inc. | 1765 |
3 |
| Other owners | 139 |