- 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: 7329
10-year publication summary
|
295
|
190
|
191
|
157
|
193
|
190
|
186
|
133
|
135
|
47
|
| 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) | 12378 |
410 |
| Toyota Motor Corporation | 35813 |
400 |
| Nissan Motor Co., Ltd. | 12966 |
346 |
| Honda Motor Co., Ltd. | 26034 |
342 |
| Hyundai Motor Company | 24703 |
252 |
| Panasonic Corporation | 18962 |
239 |
| GM Global Technology Operations LLC | 16155 |
223 |
| Daimler AG | 2829 |
217 |
| Kyocera Corporation | 14383 |
211 |
| Panasonic Intellectual Property Management Co., Ltd. | 34035 |
169 |
| Bloom Energy Corporation | 701 |
129 |
| Audi AG | 7561 |
102 |
| UTC Power Corporation | 230 |
101 |
| Ford Global Technologies, LLC | 21524 |
99 |
| Intelligent Energy Limited | 374 |
93 |
| Robert Bosch GmbH | 44176 |
89 |
| Kia Motors Corporation | 7718 |
85 |
| JX Nippon Oil & Energy Corporation | 978 |
76 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6177 |
75 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11124 |
63 |
| Other owners | 3608 |