- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/0444 - Concentration; Density
Patent holdings for IPC class H01M 8/0444
Total number of patents in this class: 440
10-year publication summary
|
12
|
35
|
41
|
25
|
38
|
55
|
42
|
66
|
59
|
27
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 40953 |
66 |
| Hyundai Motor Company | 19021 |
38 |
| Kia Motors Corporation | 7946 |
21 |
| Toyota Motor Corporation | 28582 |
16 |
| Honda Motor Co., Ltd. | 24537 |
13 |
| Nissan Motor Co., Ltd. | 12249 |
11 |
| FuelCell Energy, Inc. | 337 |
11 |
| Intelligent Energy Limited | 464 |
11 |
| AVL List GmbH | 1232 |
10 |
| GM Global Technology Operations LLC | 13620 |
8 |
| Kia Corporation | 6450 |
8 |
| Raytheon Technologies Corporation | 332 |
7 |
| Cougar Creek Technologies, LLC | 22 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
6 |
| Bayerische Motoren Werke Aktiengesellschaft | 13126 |
6 |
| Siemens AG | 24990 |
5 |
| Audi AG | 7153 |
5 |
| Bloom Energy Corporation | 590 |
5 |
| Siemens Energy Global GmbH & Co. KG | 2775 |
5 |
| Samsung Electronics Co., Ltd. | 131630 |
4 |
| Other owners | 177 |