- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/247 - Arrangements for tightening a stack, for accommodation of a stack in a tank or for assembling different tanks
Patent holdings for IPC class H01M 8/247
Total number of patents in this class: 173
10-year publication summary
|
9
|
14
|
22
|
25
|
25
|
17
|
17
|
7
|
21
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toyota Motor Corporation | 28582 |
14 |
| Robert Bosch GmbH | 40953 |
11 |
| Honda Motor Co., Ltd. | 24537 |
7 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
7 |
| Ceres Intellectual Property Company Limited | 250 |
7 |
| Nissan Motor Co., Ltd. | 12249 |
5 |
| Sumitomo Electric Industries, Ltd. | 14131 |
4 |
| Audi AG | 7153 |
4 |
| Bloom Energy Corporation | 590 |
4 |
| Reinz-Dichtungs-GmbH | 245 |
4 |
| MICO Power Ltd. | 19 |
4 |
| EKPO Fuel Cell Technologies GmbH | 62 |
4 |
| LG Chem, Ltd. | 17205 |
3 |
| GM Global Technology Operations LLC | 13620 |
3 |
| Osaka Gas Co., Ltd. | 312 |
3 |
| Safran Power Units | 108 |
3 |
| Sumitomo Precision Products Co., Ltd. | 273 |
3 |
| Morimura Sofc Technology Co.,Ltd | 94 |
3 |
| Niterra Co., Ltd. | 1122 |
3 |
| Kyocera Corporation | 12735 |
2 |
| Other owners | 75 |