- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 4/587 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
Patent holdings for IPC class H01M 4/587
Total number of patents in this class: 6991
10-year publication summary
|
480
|
559
|
469
|
491
|
487
|
495
|
544
|
618
|
794
|
708
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Energy Solution, Ltd. | 15385 |
605 |
| Samsung SDI Co., Ltd. | 8622 |
316 |
| Panasonic Intellectual Property Management Co., Ltd. | 32052 |
249 |
| LG Chem, Ltd. | 17676 |
168 |
| Contemporary Amperex Technology (Hong Kong) Limited | 3781 |
168 |
| SK on Co., Ltd. | 1722 |
136 |
| Ningde Amperex Technology Limited | 2227 |
124 |
| Murata Manufacturing Co., Ltd. | 24813 |
123 |
| Mitsubishi Chemical Corporation | 4579 |
117 |
| Toyota Motor Corporation | 32956 |
110 |
| GS Yuasa International Ltd. | 2071 |
101 |
| NEC Corporation | 36108 |
96 |
| Semiconductor Energy Laboratory Co., Ltd. | 11471 |
92 |
| Showa Denko K.K. | 2196 |
78 |
| Honeycomb Battery Company | 392 |
75 |
| Samsung Electronics Co., Ltd. | 147787 |
72 |
| Sanyo Electric Co., Ltd. | 3646 |
62 |
| Contemporary Amperex Technology Co., Limited | 7158 |
62 |
| Panasonic Energy Co., Ltd. | 938 |
53 |
| BTR New Material Group Co., Ltd. | 224 |
51 |
| Other owners | 4133 |