- 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
0
|
1
|
0
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0
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1
|
3
|
1
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5
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12
|
1
|
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 |