- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/04313 - Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variablesProcesses for controlling fuel cells or fuel cell systems characterised by the detection or assessment of failure or abnormal function
Patent holdings for IPC class H01M 8/04313
Total number of patents in this class: 256
10-year publication summary
|
11
|
8
|
13
|
19
|
19
|
11
|
33
|
32
|
45
|
30
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 43114 |
23 |
| Toyota Motor Corporation | 33572 |
19 |
| Panasonic Intellectual Property Management Co., Ltd. | 32551 |
16 |
| Hyundai Motor Company | 22888 |
10 |
| Kyocera Corporation | 14102 |
9 |
| Kia Motors Corporation | 7743 |
8 |
| Denso Corporation | 24818 |
7 |
| Honda Motor Co., Ltd. | 25780 |
6 |
| Komatsu Ltd. | 4627 |
6 |
| Audi AG | 7402 |
6 |
| Kabushiki Kaisha Toyota Chuo Kenkyusho | 635 |
6 |
| LG Chem, Ltd. | 17704 |
4 |
| Kubota Corporation | 4059 |
4 |
| Uop LLC | 4259 |
3 |
| Aisan Kogyo Kabushiki Kaisha | 750 |
3 |
| Bloom Energy Corporation | 670 |
3 |
| HORIBA, Ltd. | 831 |
3 |
| Hydrogenics Corporation | 189 |
3 |
| Korea Institute of Ocean Science & Technology | 427 |
3 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12642 |
3 |
| Other owners | 111 |