- 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: 515
10-year publication summary
|
35
|
41
|
25
|
38
|
55
|
42
|
67
|
61
|
85
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 41823 |
87 |
| Hyundai Motor Company | 20512 |
42 |
| Kia Motors Corporation | 7777 |
21 |
| Toyota Motor Corporation | 30499 |
18 |
| Honda Motor Co., Ltd. | 24878 |
14 |
| FuelCell Energy, Inc. | 328 |
13 |
| Kia Corporation | 8185 |
12 |
| Nissan Motor Co., Ltd. | 12362 |
11 |
| AVL List GmbH | 1257 |
11 |
| Intelligent Energy Limited | 421 |
10 |
| ESS Tech, Inc. | 196 |
9 |
| GM Global Technology Operations LLC | 14285 |
8 |
| Cougar Creek Technologies, LLC | 23 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 29800 |
6 |
| Bayerische Motoren Werke Aktiengesellschaft | 13882 |
6 |
| Audi AG | 7284 |
6 |
| Bloom Energy Corporation | 633 |
6 |
| HORIBA, Ltd. | 790 |
6 |
| Rtx Corporation | 9114 |
6 |
| Siemens AG | 24568 |
5 |
| Other owners | 211 |