- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 50/469 - Separators, membranes or diaphragms characterised by their shape tubular or cylindrical
Patent holdings for IPC class H01M 50/469
Total number of patents in this class: 56
10-year publication summary
|
0
|
0
|
0
|
4
|
3
|
10
|
13
|
9
|
11
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Energizer Brands, LLC | 792 |
5 |
| LG Energy Solution, Ltd. | 16862 |
5 |
| Apple Inc. | 57314 |
4 |
| Samsung SDI Co., Ltd. | 9414 |
4 |
| Amer-sil SA | 11 |
4 |
| Daramic, LLC | 218 |
4 |
| Prime Planet Energy & Solutions, Inc. | 930 |
4 |
| Semiconductor Energy Laboratory Co., Ltd. | 11617 |
2 |
| Murata Manufacturing Co., Ltd. | 25296 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 33120 |
2 |
| Panasonic Energy Co., Ltd. | 968 |
2 |
| Contemporary Amperex Technology (Hong Kong) Limited | 3894 |
2 |
| TDK Corporation | 6784 |
1 |
| Cardiac Pacemakers, Inc. | 2889 |
1 |
| Wisconsin Alumni Research Foundation | 3929 |
1 |
| Greatbatch Ltd. | 361 |
1 |
| MAHLE International GmbH | 2862 |
1 |
| Nanyang Technological University | 2124 |
1 |
| Ningde Amperex Technology Limited | 2446 |
1 |
| PolyPlus Battery Company | 98 |
1 |
| Other owners | 8 |