- 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: 261
10-year publication summary
|
8
|
16
|
30
|
31
|
36
|
23
|
35
|
30
|
30
|
14
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| POSCO | 2222 |
22 |
| JFE Steel Corporation | 6067 |
19 |
| Robert Bosch GmbH | 40953 |
16 |
| Bloom Energy Corporation | 590 |
14 |
| POSCO Co., Ltd. | 1059 |
14 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
11 |
| Schaeffler Technologies AG & Co. KG | 8880 |
9 |
| Toyota Motor Corporation | 28582 |
7 |
| Ceres Intellectual Property Company Limited | 250 |
6 |
| Topsoe A/S | 732 |
6 |
| LG Chem, Ltd. | 17205 |
5 |
| Kyocera Corporation | 12735 |
5 |
| Treadstone Technologies, Inc. | 23 |
5 |
| NIPPON STEEL Stainless Steel Corporation | 254 |
5 |
| Daegu Gyeongbuk Institute of Science and Technology | 552 |
4 |
| Morimura Sofc Technology Co.,Ltd | 94 |
4 |
| Honda Motor Co., Ltd. | 24537 |
3 |
| Hitachi Metals, Ltd. | 2175 |
3 |
| GM Global Technology Operations LLC | 13620 |
3 |
| Nissan Motor Co., Ltd. | 12249 |
3 |
| Other owners | 97 |