- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/028 - Sealing means characterised by their material
Patent holdings for IPC class H01M 8/028
Total number of patents in this class: 55
10-year publication summary
|
6
|
2
|
5
|
4
|
11
|
4
|
9
|
7
|
4
|
3
|
| 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 |
7 |
| Audi AG | 7153 |
5 |
| Toyota Motor Corporation | 28582 |
3 |
| Nissan Motor Co., Ltd. | 12249 |
3 |
| Reinz-Dichtungs-GmbH | 245 |
3 |
| Honda Motor Co., Ltd. | 24537 |
2 |
| Robert Bosch GmbH | 40953 |
2 |
| Hyundai Motor Company | 19021 |
2 |
| Bloom Energy Corporation | 590 |
2 |
| NOK Corporation | 2108 |
2 |
| General Electric Company | 18133 |
1 |
| E. I. du Pont de Nemours and Company | 4345 |
1 |
| GM Global Technology Operations LLC | 13620 |
1 |
| Industrial Technology Research Institute | 4898 |
1 |
| Dai Nippon Printing Co., Ltd. | 3891 |
1 |
| Schaeffler Technologies AG & Co. KG | 8880 |
1 |
| Ballard Power Systems Inc. | 163 |
1 |
| Donga Manufacturing Corp. | 10 |
1 |
| Faurecia Systemes D'Echappement | 222 |
1 |
| Kokoku Intech Co., Ltd. | 27 |
1 |
| Other owners | 14 |