- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/04 - Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
Patent holdings for IPC class H01M 8/04
Total number of patents in this class: 7775
10-year publication summary
|
484
|
295
|
189
|
191
|
157
|
192
|
188
|
140
|
115
|
55
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12851 |
495 |
| Toyota Motor Corporation | 31565 |
410 |
| Nissan Motor Co., Ltd. | 12391 |
392 |
| Honda Motor Co., Ltd. | 25157 |
359 |
| Panasonic Corporation | 20166 |
251 |
| Hyundai Motor Company | 21748 |
238 |
| GM Global Technology Operations LLC | 14910 |
232 |
| Daimler AG | 3403 |
226 |
| Kyocera Corporation | 13706 |
200 |
| Panasonic Intellectual Property Management Co., Ltd. | 31022 |
159 |
| Bloom Energy Corporation | 655 |
128 |
| UTC Power Corporation | 258 |
113 |
| Audi AG | 7342 |
106 |
| Ford Global Technologies, LLC | 20487 |
103 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6269 |
103 |
| Intelligent Energy Limited | 408 |
101 |
| Robert Bosch GmbH | 42505 |
91 |
| Kia Motors Corporation | 7758 |
85 |
| JX Nippon Oil & Energy Corporation | 999 |
76 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10879 |
67 |
| Other owners | 3840 |