- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/04828 - HumidityWater content
Patent holdings for IPC class H01M 8/04828
Total number of patents in this class: 737
10-year publication summary
|
74
|
74
|
79
|
98
|
66
|
66
|
59
|
55
|
47
|
30
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toyota Motor Corporation | 32116 |
84 |
| Hyundai Motor Company | 21987 |
76 |
| Robert Bosch GmbH | 42689 |
63 |
| Kia Motors Corporation | 7754 |
44 |
| Nissan Motor Co., Ltd. | 12484 |
36 |
| Honda Motor Co., Ltd. | 25251 |
33 |
| Audi AG | 7362 |
22 |
| Bloom Energy Corporation | 661 |
16 |
| Kia Corporation | 9675 |
16 |
| FuelCell Energy, Inc. | 329 |
14 |
| GM Global Technology Operations LLC | 15042 |
13 |
| AVL List GmbH | 1292 |
12 |
| Ford Global Technologies, LLC | 20570 |
11 |
| Kyocera Corporation | 13799 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 31375 |
8 |
| Intelligent Energy Limited | 406 |
8 |
| cellcentric GmbH & Co. KG | 182 |
8 |
| Hydrogenics Corporation | 192 |
7 |
| Ceres Intellectual Property Company Limited | 264 |
6 |
| MAHLE International GmbH | 2770 |
6 |
| Other owners | 246 |