- 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: 676
10-year publication summary
|
41
|
25
|
38
|
56
|
42
|
67
|
63
|
85
|
88
|
67
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 44327 |
136 |
| Hyundai Motor Company | 24951 |
53 |
| Kia Corporation | 12683 |
23 |
| Kia Motors Corporation | 7714 |
21 |
| Honda Motor Co., Ltd. | 26309 |
19 |
| Toyota Motor Corporation | 36159 |
19 |
| AVL List GmbH | 1333 |
15 |
| FuelCell Energy, Inc. | 325 |
15 |
| GM Global Technology Operations LLC | 16232 |
12 |
| Nissan Motor Co., Ltd. | 13037 |
12 |
| Bayerische Motoren Werke Aktiengesellschaft | 15452 |
11 |
| Intelligent Energy Limited | 372 |
10 |
| Bloom Energy Corporation | 702 |
9 |
| ESS Tech, Inc. | 205 |
9 |
| HORIBA, Ltd. | 892 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 34471 |
7 |
| Cougar Creek Technologies, LLC | 26 |
7 |
| Audi AG | 7582 |
6 |
| Hyaxiom, Inc. | 127 |
6 |
| Rtx Corporation | 10182 |
6 |
| Other owners | 272 |