- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
Patent holdings for IPC class H01M 8/04119
Total number of patents in this class: 1496
10-year publication summary
|
60
|
127
|
120
|
129
|
127
|
136
|
151
|
253
|
212
|
90
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kolon Industries, Inc. | 1506 |
155 |
| Toyota Motor Corporation | 28582 |
128 |
| Robert Bosch GmbH | 40953 |
127 |
| Hyundai Motor Company | 19021 |
112 |
| Audi AG | 7153 |
75 |
| Honda Motor Co., Ltd. | 24537 |
66 |
| Kia Motors Corporation | 7946 |
54 |
| Nissan Motor Co., Ltd. | 12249 |
35 |
| Volkswagen AG | 6966 |
27 |
| FuelCell Energy, Inc. | 337 |
25 |
| Kia Corporation | 6450 |
25 |
| cellcentric GmbH & Co. KG | 160 |
18 |
| MAHLE International GmbH | 2670 |
16 |
| AVL List GmbH | 1232 |
15 |
| MANN+HUMMEL GmbH | 1682 |
15 |
| Hydrogenics Corporation | 204 |
14 |
| Intelligent Energy Limited | 464 |
14 |
| Ford Global Technologies, LLC | 19702 |
13 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
13 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
13 |
| Other owners | 536 |