- 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: 8337
10-year publication summary
777
|
484
|
295
|
189
|
191
|
157
|
188
|
172
|
113
|
32
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
554 |
Nissan Motor Co., Ltd. | 12249 |
463 |
Toyota Motor Corporation | 28582 |
441 |
Honda Motor Co., Ltd. | 24537 |
384 |
GM Global Technology Operations LLC | 13620 |
269 |
Panasonic Corporation | 20786 |
255 |
Hyundai Motor Company | 19021 |
229 |
Daimler AG | 3462 |
226 |
Kyocera Corporation | 12735 |
176 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
145 |
Bloom Energy Corporation | 590 |
133 |
Audi AG | 7153 |
123 |
Intelligent Energy Limited | 464 |
123 |
UTC Power Corporation | 280 |
123 |
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
119 |
Ford Global Technologies, LLC | 19702 |
102 |
Kia Motors Corporation | 7946 |
87 |
Robert Bosch GmbH | 40953 |
86 |
JX Nippon Oil & Energy Corporation | 1019 |
76 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
69 |
Other owners | 4154 |