- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 50/40 - Separators; Membranes; Diaphragms; Spacing elements inside cells
Patent holdings for IPC class H01M 50/40
Total number of patents in this class: 207
10-year publication summary
|
0
|
1
|
2
|
5
|
21
|
28
|
46
|
35
|
44
|
14
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Contemporary Amperex Technology Co., Limited | 5805 |
29 |
| LG Energy Solution, Ltd. | 10813 |
18 |
| LG Chem, Ltd. | 17205 |
8 |
| Ningde Amperex Technology Limited | 1512 |
7 |
| Toyota Motor Corporation | 28582 |
6 |
| Samsung SDI Co., Ltd. | 6671 |
6 |
| Shanghai Energy New Materials Technology Co., Ltd. | 86 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
4 |
| Apple Inc. | 50209 |
3 |
| Ford Global Technologies, LLC | 19702 |
3 |
| Murata Manufacturing Co., Ltd. | 22355 |
3 |
| Enovix Corporation | 118 |
3 |
| Shenzhen Senior Technology Material Co., LTD | 46 |
3 |
| Unist (ulsan National Institute of Science and Technology) | 328 |
3 |
| Zeon Corporation | 3854 |
3 |
| Panasonic Corporation | 20786 |
2 |
| Medtronic, Inc. | 9964 |
2 |
| Huawei Technologies Co., Ltd. | 100781 |
2 |
| Hyundai Motor Company | 19021 |
2 |
| Kia Motors Corporation | 7946 |
2 |
| Other owners | 93 |