- 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: 1912
10-year publication summary
|
81
|
208
|
167
|
195
|
188
|
170
|
181
|
240
|
281
|
80
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 40953 |
205 |
| Toyota Motor Corporation | 28582 |
201 |
| Hyundai Motor Company | 19021 |
118 |
| Honda Motor Co., Ltd. | 24537 |
84 |
| Audi AG | 7153 |
53 |
| Nissan Motor Co., Ltd. | 12249 |
51 |
| Kia Motors Corporation | 7946 |
51 |
| FuelCell Energy, Inc. | 337 |
47 |
| Bloom Energy Corporation | 590 |
41 |
| Kia Corporation | 6450 |
39 |
| AVL List GmbH | 1232 |
38 |
| Hydrogenics Corporation | 204 |
27 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
26 |
| Intelligent Energy Limited | 464 |
25 |
| cellcentric GmbH & Co. KG | 160 |
22 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
21 |
| Cummins Inc. | 2369 |
20 |
| Volkswagen AG | 6966 |
17 |
| GM Global Technology Operations LLC | 13620 |
16 |
| Bayerische Motoren Werke Aktiengesellschaft | 13126 |
15 |
| Other owners | 795 |