- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/248 - Means for compression of the fuel cell stacks
Patent holdings for IPC class H01M 8/248
Total number of patents in this class: 489
10-year publication summary
|
25
|
33
|
31
|
40
|
55
|
54
|
59
|
57
|
72
|
21
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
37 |
| Audi AG | 7153 |
28 |
| Honda Motor Co., Ltd. | 24537 |
27 |
| Robert Bosch GmbH | 40953 |
27 |
| Hyundai Motor Company | 19021 |
27 |
| Toyota Motor Corporation | 28582 |
23 |
| Ceres Intellectual Property Company Limited | 250 |
19 |
| Nissan Motor Co., Ltd. | 12249 |
14 |
| Kia Motors Corporation | 7946 |
13 |
| ESS Tech, Inc. | 158 |
9 |
| Osaka Gas Co., Ltd. | 312 |
9 |
| Loop Energy Inc. | 38 |
8 |
| Morimura Sofc Technology Co.,Ltd | 94 |
8 |
| Kia Corporation | 6450 |
8 |
| Bloom Energy Corporation | 590 |
7 |
| Safran Power Units | 108 |
7 |
| GM Global Technology Operations LLC | 13620 |
6 |
| Bayerische Motoren Werke Aktiengesellschaft | 13126 |
6 |
| Plug Power Inc. | 112 |
6 |
| Powercell Sweden AB | 90 |
6 |
| Other owners | 194 |