- 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: 2262
10-year publication summary
|
184
|
161
|
183
|
184
|
166
|
178
|
229
|
282
|
258
|
170
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 42887 |
300 |
| Toyota Motor Corporation | 33138 |
195 |
| Hyundai Motor Company | 22533 |
129 |
| Honda Motor Co., Ltd. | 25776 |
90 |
| AVL List GmbH | 1307 |
52 |
| Audi AG | 7386 |
51 |
| Kia Corporation | 10246 |
51 |
| Kia Motors Corporation | 7747 |
50 |
| Bloom Energy Corporation | 663 |
48 |
| FuelCell Energy, Inc. | 326 |
48 |
| Nissan Motor Co., Ltd. | 12609 |
46 |
| Hydrogenics Corporation | 191 |
28 |
| Panasonic Intellectual Property Management Co., Ltd. | 32139 |
27 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10964 |
26 |
| Intelligent Energy Limited | 405 |
24 |
| cellcentric GmbH & Co. KG | 186 |
22 |
| GM Global Technology Operations LLC | 15239 |
20 |
| Cummins Inc. | 2615 |
20 |
| Bayerische Motoren Werke Aktiengesellschaft | 14546 |
19 |
| GE Vernova Infrastructure Technology LLC | 307 |
19 |
| Other owners | 997 |