- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/04828 - Humidity; Water content
Patent holdings for IPC class H01M 8/04828
Total number of patents in this class: 685
10-year publication summary
|
43
|
74
|
74
|
79
|
98
|
66
|
69
|
60
|
58
|
15
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toyota Motor Corporation | 28582 |
83 |
| Hyundai Motor Company | 19021 |
72 |
| Kia Motors Corporation | 7946 |
46 |
| Robert Bosch GmbH | 40953 |
40 |
| Nissan Motor Co., Ltd. | 12249 |
38 |
| Honda Motor Co., Ltd. | 24537 |
35 |
| Audi AG | 7153 |
22 |
| Bloom Energy Corporation | 590 |
16 |
| FuelCell Energy, Inc. | 337 |
14 |
| GM Global Technology Operations LLC | 13620 |
13 |
| AVL List GmbH | 1232 |
13 |
| Kia Corporation | 6450 |
10 |
| Ford Global Technologies, LLC | 19702 |
8 |
| Kyocera Corporation | 12735 |
8 |
| Intelligent Energy Limited | 464 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
7 |
| Hydrogenics Corporation | 204 |
7 |
| Nuvera Fuel Cells, LLC | 111 |
7 |
| cellcentric GmbH & Co. KG | 160 |
7 |
| Ceres Intellectual Property Company Limited | 250 |
6 |
| Other owners | 225 |