- 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: 7343
10-year publication summary
|
295
|
190
|
191
|
157
|
193
|
190
|
186
|
132
|
133
|
45
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12369 |
412 |
| Toyota Motor Corporation | 35772 |
399 |
| Nissan Motor Co., Ltd. | 12964 |
350 |
| Honda Motor Co., Ltd. | 26025 |
343 |
| Hyundai Motor Company | 24653 |
252 |
| Panasonic Corporation | 19019 |
239 |
| GM Global Technology Operations LLC | 16124 |
223 |
| Daimler AG | 2838 |
219 |
| Kyocera Corporation | 14359 |
211 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
169 |
| Bloom Energy Corporation | 700 |
129 |
| Audi AG | 7563 |
103 |
| UTC Power Corporation | 230 |
101 |
| Ford Global Technologies, LLC | 21509 |
100 |
| Intelligent Energy Limited | 374 |
93 |
| Robert Bosch GmbH | 44160 |
89 |
| Kia Motors Corporation | 7718 |
85 |
| JX Nippon Oil & Energy Corporation | 978 |
76 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6178 |
75 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11123 |
63 |
| Other owners | 3612 |