- 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: 6175
10-year publication summary
|
480
|
564
|
471
|
492
|
491
|
499
|
539
|
646
|
792
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Energy Solution, Ltd. | 12747 |
499 |
| Samsung SDI Co., Ltd. | 7283 |
274 |
| Panasonic Intellectual Property Management Co., Ltd. | 29567 |
215 |
| LG Chem, Ltd. | 17620 |
167 |
| Murata Manufacturing Co., Ltd. | 23609 |
116 |
| Contemporary Amperex Technology (Hong Kong) Limited | 2784 |
115 |
| Mitsubishi Chemical Corporation | 4430 |
111 |
| SK on Co., Ltd. | 1361 |
110 |
| Toyota Motor Corporation | 30292 |
101 |
| NEC Corporation | 34296 |
96 |
| GS Yuasa International Ltd. | 1953 |
96 |
| Ningde Amperex Technology Limited | 1803 |
94 |
| Semiconductor Energy Laboratory Co., Ltd. | 11042 |
83 |
| Showa Denko K.K. | 2341 |
78 |
| Honeycomb Battery Company | 378 |
72 |
| Samsung Electronics Co., Ltd. | 138320 |
68 |
| Sanyo Electric Co., Ltd. | 3798 |
64 |
| Hitachi Chemical Company, Ltd. | 2389 |
46 |
| Kureha Corporation | 1026 |
46 |
| Contemporary Amperex Technology Co., Limited | 5307 |
44 |
| Other owners | 3680 |