- 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: 14751
10-year publication summary
756
|
834
|
820
|
914
|
977
|
1068
|
1307
|
1521
|
1801
|
1511
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
LG Energy Solution, Ltd. | 15443 |
1161 |
Panasonic Intellectual Property Management Co., Ltd. | 32105 |
833 |
Samsung SDI Co., Ltd. | 8695 |
734 |
LG Chem, Ltd. | 17680 |
629 |
Sumitomo Metal Mining Co., Ltd. | 1794 |
463 |
Toyota Motor Corporation | 33015 |
311 |
Sumitomo Chemical Company, Limited | 9086 |
291 |
Contemporary Amperex Technology (Hong Kong) Limited | 3786 |
277 |
Semiconductor Energy Laboratory Co., Ltd. | 11482 |
273 |
Umicore | 662 |
255 |
Murata Manufacturing Co., Ltd. | 24829 |
237 |
SK on Co., Ltd. | 1733 |
224 |
BASF SE | 21039 |
222 |
Ningde Amperex Technology Limited | 2257 |
172 |
Sanyo Electric Co., Ltd. | 3643 |
167 |
Guangdong Brunp Recycling Technology Co., Ltd | 1244 |
164 |
Hunan Brunp Recycling Technology Co., Ltd. | 1213 |
164 |
Contemporary Amperex Technology Co., Limited | 7211 |
148 |
NEC Corporation | 36124 |
147 |
Panasonic Energy Co., Ltd. | 938 |
142 |
Other owners | 7737 |