- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/043 - Processes for controlling fuel cells or fuel cell systems applied during specific periods
Patent holdings for IPC class H01M 8/043
Total number of patents in this class: 189
10-year publication summary
|
17
|
11
|
14
|
17
|
13
|
18
|
24
|
20
|
23
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 42674 |
26 |
| Toyota Motor Corporation | 31985 |
20 |
| Hyundai Motor Company | 21960 |
11 |
| Honda Motor Co., Ltd. | 25219 |
8 |
| Nissan Motor Co., Ltd. | 12473 |
7 |
| ESS Tech, Inc. | 201 |
6 |
| Hydrogenics Corporation | 192 |
6 |
| Kyocera Corporation | 13800 |
5 |
| Bayerische Motoren Werke Aktiengesellschaft | 14350 |
4 |
| Cummins Inc. | 2576 |
4 |
| Kia Corporation | 9646 |
4 |
| GM Global Technology Operations LLC | 15020 |
3 |
| Ford Global Technologies, LLC | 20548 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10923 |
3 |
| Kia Motors Corporation | 7755 |
3 |
| Audi AG | 7361 |
3 |
| AVL List GmbH | 1292 |
3 |
| Intelligent Energy Limited | 406 |
3 |
| Yanmar Co., Ltd. | 1404 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 31330 |
2 |
| Other owners | 62 |