- 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: 92
10-year publication summary
|
4
|
4
|
8
|
1
|
4
|
10
|
10
|
16
|
16
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 34145 |
7 |
| Toyota Motor Corporation | 35906 |
6 |
| Kyocera Corporation | 14402 |
5 |
| Honda Motor Co., Ltd. | 26090 |
4 |
| Robert Bosch GmbH | 44238 |
4 |
| Komatsu Ltd. | 4740 |
4 |
| Kubota Corporation | 4405 |
4 |
| Denso Corporation | 25633 |
3 |
| Aisan Kogyo Kabushiki Kaisha | 771 |
3 |
| Dainichi, Co., Ltd. | 38 |
3 |
| Honeywell International Inc. | 12776 |
2 |
| Powercell Sweden AB | 126 |
2 |
| Lockheed Martin Energy, LLC | 152 |
2 |
| Canon Kabushiki Kaisha | 7362 |
2 |
| SAS Beyond Aerospace | 12 |
2 |
| General Electric Company | 13912 |
1 |
| Siemens AG | 23996 |
1 |
| Airbus Operations GmbH | 3457 |
1 |
| Hitachi Construction Machinery Co., Ltd. | 2762 |
1 |
| Hyundai Motor Company | 24787 |
1 |
| Other owners | 34 |