- 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: 24
10-year publication summary
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0
|
1
|
0
|
0
|
1
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3
|
1
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5
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12
|
1
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Energizer Brands, LLC | 835 |
3 |
| Prime Planet Energy & Solutions, Inc. | 559 |
3 |
| Amer-sil SA | 12 |
2 |
| LG Energy Solution, Ltd. | 10813 |
2 |
| Panasonic Energy Co., Ltd. | 667 |
2 |
| Apple Inc. | 50209 |
1 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
1 |
| TDK Corporation | 6306 |
1 |
| Cardiac Pacemakers, Inc. | 3115 |
1 |
| Wisconsin Alumni Research Foundation | 3774 |
1 |
| Daramic, LLC | 207 |
1 |
| MAHLE International GmbH | 2670 |
1 |
| SK Innovation Co., Ltd. | 1015 |
1 |
| Northvolt AB | 135 |
1 |
| SK IE Technology Co., Ltd. | 152 |
1 |
| Zhuhai CosMX Battery Co., Ltd. | 357 |
1 |
| Dongguan Poweramp Technology Limited | 195 |
1 |
| Other owners | 0 |