- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/021 - Alloys based on iron
Patent holdings for IPC class H01M 8/021
Total number of patents in this class: 302
10-year publication summary
|
15
|
26
|
28
|
35
|
23
|
34
|
29
|
27
|
33
|
21
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| POSCO | 2183 |
22 |
| Robert Bosch GmbH | 42813 |
20 |
| JFE Steel Corporation | 6916 |
20 |
| POSCO Co., Ltd. | 1571 |
19 |
| Bloom Energy Corporation | 662 |
17 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10941 |
16 |
| Schaeffler Technologies AG & Co. KG | 9973 |
11 |
| Toyota Motor Corporation | 32788 |
8 |
| Ceres Intellectual Property Company Limited | 269 |
8 |
| Topsoe A/S | 909 |
6 |
| LG Chem, Ltd. | 17644 |
5 |
| Nissan Motor Co., Ltd. | 12523 |
5 |
| Kyocera Corporation | 13909 |
5 |
| Treadstone Technologies, Inc. | 24 |
5 |
| NIPPON STEEL Stainless Steel Corporation | 283 |
5 |
| Daegu Gyeongbuk Institute of Science and Technology | 683 |
4 |
| Hyundai Steel Company | 435 |
4 |
| Reinz-Dichtungs-GmbH | 280 |
4 |
| Honda Motor Co., Ltd. | 25425 |
3 |
| Hitachi Metals, Ltd. | 1973 |
3 |
| Other owners | 112 |