- 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: 1906
10-year publication summary
|
4
|
7
|
23
|
57
|
172
|
155
|
207
|
444
|
391
|
339
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Energy Solution, Ltd. | 16038 |
365 |
| Samsung SDI Co., Ltd. | 8901 |
108 |
| Panasonic Intellectual Property Management Co., Ltd. | 32504 |
85 |
| Ningde Amperex Technology Limited | 2321 |
67 |
| Toyota Motor Corporation | 33519 |
55 |
| Contemporary Amperex Technology (Hong Kong) Limited | 3847 |
44 |
| Zeon Corporation | 4116 |
40 |
| Murata Manufacturing Co., Ltd. | 25020 |
39 |
| Prime Planet Energy & Solutions, Inc. | 874 |
36 |
| Contemporary Amperex Technology Co., Limited | 7794 |
32 |
| LG Chem, Ltd. | 17706 |
29 |
| NGK Insulators, Ltd. | 5146 |
26 |
| GM Global Technology Operations LLC | 15401 |
24 |
| Samsung Electronics Co., Ltd. | 149198 |
23 |
| 24M Technologies, Inc. | 291 |
23 |
| SK on Co., Ltd. | 1816 |
22 |
| Panasonic Energy Co., Ltd. | 955 |
22 |
| GS Yuasa International Ltd. | 2101 |
20 |
| Toshiba Corporation | 12547 |
19 |
| Enovix Corporation | 159 |
17 |
| Other owners | 810 |