- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/0444 - ConcentrationDensity
Patent holdings for IPC class H01M 8/0444
Total number of patents in this class: 568
10-year publication summary
|
35
|
41
|
25
|
38
|
56
|
41
|
67
|
62
|
85
|
57
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 42684 |
105 |
| Hyundai Motor Company | 22022 |
45 |
| Kia Motors Corporation | 7754 |
21 |
| Toyota Motor Corporation | 32231 |
18 |
| FuelCell Energy, Inc. | 328 |
15 |
| Kia Corporation | 9709 |
15 |
| Honda Motor Co., Ltd. | 25274 |
14 |
| Nissan Motor Co., Ltd. | 12486 |
12 |
| AVL List GmbH | 1294 |
12 |
| Intelligent Energy Limited | 406 |
11 |
| ESS Tech, Inc. | 202 |
9 |
| GM Global Technology Operations LLC | 15062 |
8 |
| HORIBA, Ltd. | 820 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 31475 |
7 |
| Bayerische Motoren Werke Aktiengesellschaft | 14394 |
7 |
| Cougar Creek Technologies, LLC | 23 |
7 |
| Audi AG | 7361 |
6 |
| Bloom Energy Corporation | 660 |
6 |
| Rtx Corporation | 9385 |
6 |
| Siemens AG | 24477 |
5 |
| Other owners | 231 |