- 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: 215
10-year publication summary
|
12
|
9
|
32
|
28
|
17
|
19
|
16
|
27
|
40
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 40953 |
16 |
| Toyota Motor Corporation | 28582 |
12 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
10 |
| Bloom Energy Corporation | 590 |
8 |
| Hyundai Motor Company | 19021 |
7 |
| Cougar Creek Technologies, LLC | 22 |
6 |
| A3 Labs LLC | 14 |
5 |
| Cummins Inc. | 2369 |
5 |
| ESS Tech, Inc. | 158 |
5 |
| Korea Institute of Energy Research | 803 |
5 |
| Honda Motor Co., Ltd. | 24537 |
4 |
| Kia Motors Corporation | 7946 |
4 |
| FuelCell Energy, Inc. | 337 |
4 |
| Sang-a Frontec Co., Ltd. | 19 |
4 |
| BWR Innovations LLC | 35 |
4 |
| General Electric Company | 18133 |
3 |
| LG Chem, Ltd. | 17205 |
3 |
| AVL List GmbH | 1232 |
3 |
| Hydrogenics Corporation | 204 |
3 |
| Lockheed Martin Energy, LLC | 136 |
3 |
| Other owners | 101 |