- 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: 322
10-year publication summary
|
30
|
31
|
36
|
23
|
35
|
31
|
33
|
35
|
27
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 7407 |
23 |
| POSCO | 2153 |
22 |
| Robert Bosch GmbH | 43788 |
20 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11021 |
19 |
| Bloom Energy Corporation | 689 |
19 |
| POSCO Co., Ltd. | 1687 |
19 |
| Schaeffler Technologies AG & Co. KG | 10785 |
11 |
| Toyota Motor Corporation | 34999 |
9 |
| Ceres Intellectual Property Company Limited | 254 |
8 |
| Topsoe A/S | 1015 |
7 |
| LG Chem, Ltd. | 17883 |
5 |
| Nissan Motor Co., Ltd. | 12859 |
5 |
| Kyocera Corporation | 14278 |
5 |
| Treadstone Technologies, Inc. | 25 |
5 |
| NIPPON STEEL Stainless Steel Corporation | 278 |
5 |
| Daegu Gyeongbuk Institute of Science and Technology | 746 |
4 |
| Hyundai Steel Company | 508 |
4 |
| Reinz-Dichtungs-GmbH | 282 |
4 |
| Sumitomo Riko Company Limited | 1127 |
4 |
| Toshiba Energy Systems & Solutions Corp. | 1140 |
4 |
| Other owners | 120 |