- 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: 169
10-year publication summary
|
5
|
17
|
11
|
14
|
17
|
13
|
18
|
24
|
18
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toyota Motor Corporation | 28582 |
23 |
| Robert Bosch GmbH | 40953 |
15 |
| Hyundai Motor Company | 19021 |
11 |
| Honda Motor Co., Ltd. | 24537 |
8 |
| Nissan Motor Co., Ltd. | 12249 |
8 |
| ESS Tech, Inc. | 158 |
6 |
| Hydrogenics Corporation | 204 |
6 |
| Kyocera Corporation | 12735 |
5 |
| Bayerische Motoren Werke Aktiengesellschaft | 13126 |
4 |
| Cummins Inc. | 2369 |
4 |
| Kia Corporation | 6450 |
4 |
| GM Global Technology Operations LLC | 13620 |
3 |
| Ford Global Technologies, LLC | 19702 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
3 |
| Kia Motors Corporation | 7946 |
3 |
| Intelligent Energy Limited | 464 |
3 |
| Yanmar Co., Ltd. | 1479 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
2 |
| Daimler AG | 3462 |
2 |
| JTEKT Corporation | 2423 |
2 |
| Other owners | 51 |