- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/04089 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
Patent holdings for IPC class H01M 8/04089
Total number of patents in this class: 2211
10-year publication summary
|
209
|
167
|
195
|
189
|
170
|
183
|
242
|
291
|
260
|
118
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 42647 |
288 |
| Toyota Motor Corporation | 31903 |
195 |
| Hyundai Motor Company | 21938 |
129 |
| Honda Motor Co., Ltd. | 25192 |
86 |
| Audi AG | 7356 |
51 |
| Kia Corporation | 9622 |
51 |
| Kia Motors Corporation | 7757 |
50 |
| AVL List GmbH | 1291 |
49 |
| FuelCell Energy, Inc. | 329 |
48 |
| Nissan Motor Co., Ltd. | 12453 |
46 |
| Bloom Energy Corporation | 661 |
46 |
| Hydrogenics Corporation | 192 |
28 |
| Panasonic Intellectual Property Management Co., Ltd. | 31273 |
26 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10928 |
26 |
| Intelligent Energy Limited | 406 |
25 |
| cellcentric GmbH & Co. KG | 182 |
22 |
| GM Global Technology Operations LLC | 15000 |
20 |
| Cummins Inc. | 2575 |
18 |
| Cummins Enterprise LLC | 74 |
18 |
| Bayerische Motoren Werke Aktiengesellschaft | 14321 |
17 |
| Other owners | 972 |