- 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: 7692
10-year publication summary
|
454
|
263
|
181
|
183
|
152
|
187
|
181
|
161
|
118
|
116
|
| 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) | 12686 |
469 |
| Toyota Motor Corporation | 33341 |
408 |
| Nissan Motor Co., Ltd. | 12615 |
381 |
| Honda Motor Co., Ltd. | 25773 |
354 |
| Panasonic Corporation | 19976 |
251 |
| Hyundai Motor Company | 22700 |
246 |
| GM Global Technology Operations LLC | 15340 |
229 |
| Daimler AG | 2964 |
226 |
| Kyocera Corporation | 14050 |
210 |
| Panasonic Intellectual Property Management Co., Ltd. | 32296 |
165 |
| Bloom Energy Corporation | 667 |
127 |
| UTC Power Corporation | 256 |
112 |
| Audi AG | 7387 |
106 |
| Ford Global Technologies, LLC | 20860 |
104 |
| Intelligent Energy Limited | 404 |
100 |
| Robert Bosch GmbH | 43001 |
94 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6240 |
92 |
| Kia Motors Corporation | 7743 |
85 |
| JX Nippon Oil & Energy Corporation | 979 |
76 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10950 |
66 |
| Other owners | 3791 |