- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
Patent holdings for IPC class H01M 4/525
Total number of patents in this class: 16774
10-year publication summary
|
841
|
821
|
922
|
985
|
1092
|
1366
|
1610
|
1840
|
2004
|
1376
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Energy Solution, Ltd. | 18906 |
1404 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
931 |
| Samsung SDI Co., Ltd. | 10589 |
919 |
| LG Chem, Ltd. | 17921 |
758 |
| Sumitomo Metal Mining Co., Ltd. | 1974 |
564 |
| Toyota Motor Corporation | 35772 |
363 |
| Semiconductor Energy Laboratory Co., Ltd. | 11821 |
309 |
| Umicore | 775 |
306 |
| Contemporary Amperex Technology (Hong Kong) Limited | 4015 |
298 |
| SK on Co., Ltd. | 2386 |
285 |
| BASF SE | 21303 |
253 |
| Murata Manufacturing Co., Ltd. | 25744 |
248 |
| Contemporary Amperex Technology Co., Limited | 9961 |
245 |
| Sumitomo Chemical Company, Limited | 9016 |
208 |
| Ningde Amperex Technology Limited | 2682 |
202 |
| Ecopro BM Co., Ltd. | 284 |
188 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1265 |
172 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1226 |
171 |
| Sanyo Electric Co., Ltd. | 3407 |
166 |
| Panasonic Energy Co., Ltd. | 1039 |
153 |
| Other owners | 8631 |