- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/04694 - Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
Patent holdings for IPC class H01M 8/04694
Total number of patents in this class: 56
10-year publication summary
|
2
|
6
|
4
|
4
|
8
|
1
|
4
|
10
|
9
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toyota Motor Corporation | 28582 |
8 |
| Kyocera Corporation | 12735 |
4 |
| Robert Bosch GmbH | 40953 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
3 |
| Dainichi, Co., Ltd. | 38 |
3 |
| Universal Hydrogen Co. | 17 |
3 |
| Honeywell International Inc. | 13799 |
2 |
| Denso Corporation | 23338 |
2 |
| Aisan Kogyo Kabushiki Kaisha | 722 |
2 |
| General Electric Company | 18133 |
1 |
| Honda Motor Co., Ltd. | 24537 |
1 |
| Siemens AG | 24990 |
1 |
| Airbus Operations GmbH | 3188 |
1 |
| Hyundai Motor Company | 19021 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
1 |
| Komatsu Ltd. | 4265 |
1 |
| Audi AG | 7153 |
1 |
| Cummins Inc. | 2369 |
1 |
| Great Wall Motor Company Limited | 690 |
1 |
| Horiba Advanced Techno, Co., Ltd. | 98 |
1 |
| Other owners | 15 |