- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/04492 - Humidity; Ambient humidity; Water content
Patent holdings for IPC class H01M 8/04492
Total number of patents in this class: 371
10-year publication summary
|
24
|
43
|
31
|
27
|
43
|
29
|
31
|
31
|
36
|
23
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hyundai Motor Company | 19021 |
52 |
| Toyota Motor Corporation | 28582 |
41 |
| Robert Bosch GmbH | 40953 |
32 |
| Kia Motors Corporation | 7946 |
32 |
| Nissan Motor Co., Ltd. | 12249 |
25 |
| Honda Motor Co., Ltd. | 24537 |
21 |
| Intelligent Energy Limited | 464 |
15 |
| AVL List GmbH | 1232 |
12 |
| Kia Corporation | 6450 |
9 |
| Audi AG | 7153 |
8 |
| LG Chem, Ltd. | 17205 |
5 |
| Cummins Inc. | 2369 |
5 |
| Denso Corporation | 23338 |
4 |
| Bayerische Motoren Werke Aktiengesellschaft | 13126 |
4 |
| Nuvera Fuel Cells, LLC | 111 |
4 |
| cellcentric GmbH & Co. KG | 160 |
4 |
| GM Global Technology Operations LLC | 13620 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
3 |
| Bloom Energy Corporation | 590 |
3 |
| Hydrogenics Corporation | 204 |
3 |
| Other owners | 86 |