- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/2404 - Processes or apparatus for grouping fuel cells
Patent holdings for IPC class H01M 8/2404
Total number of patents in this class: 261
10-year publication summary
|
7
|
15
|
27
|
31
|
37
|
28
|
21
|
38
|
39
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hyundai Motor Company | 19021 |
19 |
| Toyota Motor Corporation | 28582 |
17 |
| Robert Bosch GmbH | 40953 |
17 |
| Honda Motor Co., Ltd. | 24537 |
16 |
| Powercell Sweden AB | 90 |
13 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
12 |
| GM Global Technology Operations LLC | 13620 |
10 |
| Kia Motors Corporation | 7946 |
9 |
| Ceres Intellectual Property Company Limited | 250 |
8 |
| Bloom Energy Corporation | 590 |
7 |
| ThyssenKrupp AG | 3086 |
6 |
| ThyssenKrupp System Engineering GmbH | 109 |
6 |
| Nissan Motor Co., Ltd. | 12249 |
5 |
| Audi AG | 7153 |
5 |
| Grob-werke GmbH & Co. KG | 146 |
5 |
| Reinz-Dichtungs-GmbH | 245 |
4 |
| Lockheed Martin Energy, LLC | 136 |
4 |
| Kia Corporation | 6450 |
4 |
| Bertin Technologies | 105 |
3 |
| Symbio | 16 |
3 |
| Other owners | 88 |