- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/0213 - Gas-impermeable carbon-containing materials
Patent holdings for IPC class H01M 8/0213
Total number of patents in this class: 228
10-year publication summary
|
6
|
10
|
19
|
25
|
29
|
26
|
27
|
37
|
29
|
15
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toyota Motor Corporation | 28582 |
11 |
| Robert Bosch GmbH | 40953 |
10 |
| Audi AG | 7153 |
9 |
| Nisshinbo Chemical Inc. | 129 |
9 |
| Honda Motor Co., Ltd. | 24537 |
8 |
| Schunk Kohlenstofftechnik GmbH | 126 |
8 |
| cellcentric GmbH & Co. KG | 160 |
6 |
| DONGWOO HST Co., Ltd. | 6 |
5 |
| Blue World Technologies Holding ApS | 36 |
5 |
| Arisawa Mfg. Co., Ltd. | 120 |
4 |
| Nanofilm Technologies International Limited | 23 |
4 |
| Hyaxiom, Inc. | 90 |
4 |
| Futamura Kagaku Kabushiki Kaisha | 71 |
3 |
| Nippon Steel Corporation | 5649 |
3 |
| Nisshinbo Holdings Inc. | 333 |
3 |
| Shanghai Jiao Tong University | 1020 |
3 |
| Shin-Etsu Polymer Co., Ltd. | 446 |
3 |
| Toyota Shatai Kabushiki Kaisha | 442 |
3 |
| Fischer Eco Solutions GmbH | 12 |
3 |
| Airbus S.A.S. | 819 |
2 |
| Other owners | 122 |