- 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: 742
10-year publication summary
71
|
72
|
75
|
97
|
66
|
63
|
57
|
55
|
47
|
35
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Toyota Motor Corporation | 32788 |
84 |
Hyundai Motor Company | 22257 |
76 |
Robert Bosch GmbH | 42813 |
66 |
Kia Motors Corporation | 7751 |
44 |
Nissan Motor Co., Ltd. | 12523 |
36 |
Honda Motor Co., Ltd. | 25425 |
34 |
Audi AG | 7375 |
22 |
Bloom Energy Corporation | 662 |
16 |
Kia Corporation | 9958 |
16 |
FuelCell Energy, Inc. | 327 |
14 |
GM Global Technology Operations LLC | 15150 |
13 |
AVL List GmbH | 1300 |
12 |
Ford Global Technologies, LLC | 20685 |
11 |
Kyocera Corporation | 13909 |
8 |
Panasonic Intellectual Property Management Co., Ltd. | 31806 |
8 |
Intelligent Energy Limited | 405 |
8 |
cellcentric GmbH & Co. KG | 185 |
8 |
Hydrogenics Corporation | 194 |
7 |
Ceres Intellectual Property Company Limited | 269 |
6 |
MAHLE International GmbH | 2784 |
6 |
Other owners | 247 |