- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 50/40 - SeparatorsMembranesDiaphragmsSpacing elements inside cells
Patent holdings for IPC class H01M 50/40
Total number of patents in this class: 291
10-year publication summary
|
1
|
2
|
5
|
23
|
29
|
50
|
37
|
45
|
62
|
21
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Contemporary Amperex Technology Co., Limited | 6403 |
61 |
| LG Energy Solution, Ltd. | 14756 |
21 |
| Samsung SDI Co., Ltd. | 8140 |
11 |
| Ningde Amperex Technology Limited | 2022 |
11 |
| LG Chem, Ltd. | 17594 |
7 |
| Toyota Motor Corporation | 31764 |
6 |
| Shanghai Energy New Materials Technology Co., Ltd. | 97 |
6 |
| Enovix Corporation | 141 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 31201 |
4 |
| Zhuhai CosMX Battery Co., Ltd. | 614 |
4 |
| Ford Global Technologies, LLC | 20505 |
3 |
| Murata Manufacturing Co., Ltd. | 24444 |
3 |
| BYD Company Limited | 4941 |
3 |
| Hollingsworth & Vose Company | 291 |
3 |
| Shenzhen Senior Technology Material Co., LTD | 71 |
3 |
| Unist (ulsan National Institute of Science and Technology) | 407 |
3 |
| Zeon Corporation | 4079 |
3 |
| Apple Inc. | 54610 |
2 |
| Toshiba Corporation | 12317 |
2 |
| Panasonic Corporation | 20142 |
2 |
| Other owners | 128 |