- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/0438 - PressureAmbient pressureFlow
Patent holdings for IPC class H01M 8/0438
Total number of patents in this class: 1259
10-year publication summary
|
82
|
82
|
95
|
112
|
103
|
84
|
113
|
144
|
138
|
125
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toyota Motor Corporation | 32599 |
153 |
| Robert Bosch GmbH | 42742 |
132 |
| Hyundai Motor Company | 22167 |
122 |
| Honda Motor Co., Ltd. | 25352 |
52 |
| Kia Motors Corporation | 7751 |
47 |
| Kia Corporation | 9861 |
47 |
| Nissan Motor Co., Ltd. | 12519 |
46 |
| AVL List GmbH | 1299 |
21 |
| Bayerische Motoren Werke Aktiengesellschaft | 14440 |
20 |
| Panasonic Intellectual Property Management Co., Ltd. | 31696 |
18 |
| Audi AG | 7369 |
18 |
| Cummins Inc. | 2600 |
15 |
| Bloom Energy Corporation | 660 |
14 |
| Ford Global Technologies, LLC | 20676 |
13 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10930 |
13 |
| GM Global Technology Operations LLC | 15114 |
12 |
| FuelCell Energy, Inc. | 327 |
12 |
| Hydrogenics Corporation | 193 |
12 |
| Intelligent Energy Limited | 406 |
12 |
| Nuvera Fuel Cells, LLC | 108 |
12 |
| Other owners | 468 |