- 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: 46
10-year publication summary
|
1
|
0
|
0
|
1
|
4
|
2
|
10
|
13
|
9
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daramic, LLC | 219 |
4 |
| Energizer Brands, LLC | 820 |
4 |
| Prime Planet Energy & Solutions, Inc. | 777 |
4 |
| Apple Inc. | 54773 |
3 |
| Amer-sil SA | 11 |
3 |
| LG Energy Solution, Ltd. | 14924 |
3 |
| Semiconductor Energy Laboratory Co., Ltd. | 11398 |
2 |
| Murata Manufacturing Co., Ltd. | 24503 |
2 |
| Samsung SDI Co., Ltd. | 8276 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 31330 |
2 |
| Panasonic Energy Co., Ltd. | 925 |
2 |
| TDK Corporation | 6720 |
1 |
| Cardiac Pacemakers, Inc. | 2947 |
1 |
| Wisconsin Alumni Research Foundation | 3877 |
1 |
| Greatbatch Ltd. | 353 |
1 |
| MAHLE International GmbH | 2765 |
1 |
| Nanyang Technological University | 2003 |
1 |
| Ningde Amperex Technology Limited | 2109 |
1 |
| PolyPlus Battery Company | 99 |
1 |
| Rivian IP Holdings, LLC | 1314 |
1 |
| Other owners | 6 |