- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 50/46 - Separators, membranes or diaphragms characterised by their combination with electrodes
Patent holdings for IPC class H01M 50/46
Total number of patents in this class: 2166
10-year publication summary
|
8
|
24
|
57
|
178
|
157
|
208
|
453
|
392
|
365
|
223
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Energy Solution, Ltd. | 18737 |
416 |
| Samsung SDI Co., Ltd. | 10524 |
139 |
| Panasonic Intellectual Property Management Co., Ltd. | 33845 |
91 |
| Ningde Amperex Technology Limited | 2648 |
85 |
| Toyota Motor Corporation | 35578 |
62 |
| Contemporary Amperex Technology (Hong Kong) Limited | 4000 |
44 |
| Contemporary Amperex Technology Co., Limited | 9818 |
42 |
| Zeon Corporation | 4139 |
42 |
| Murata Manufacturing Co., Ltd. | 25708 |
39 |
| Prime Planet Energy & Solutions, Inc. | 1039 |
39 |
| LG Chem, Ltd. | 17926 |
33 |
| GM Global Technology Operations LLC | 16087 |
30 |
| SK on Co., Ltd. | 2360 |
30 |
| NGK Insulators, Ltd. | 5231 |
26 |
| Samsung Electronics Co., Ltd. | 157300 |
25 |
| 24M Technologies, Inc. | 299 |
24 |
| Zhuhai CosMX Battery Co., Ltd. | 720 |
23 |
| GS Yuasa International Ltd. | 2245 |
21 |
| Panasonic Energy Co., Ltd. | 1025 |
21 |
| Toshiba Corporation | 12551 |
19 |
| Other owners | 915 |