- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 50/454 - Separators, membranes or diaphragms characterised by the material having a layered structure comprising a non-fibrous layer and a fibrous layer superimposed on one another
Patent holdings for IPC class H01M 50/454
Total number of patents in this class: 81
10-year publication summary
|
1
|
1
|
2
|
3
|
1
|
5
|
13
|
20
|
20
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daramic, LLC | 207 |
11 |
| Celgard, LLC | 273 |
6 |
| LG Energy Solution, Ltd. | 10813 |
5 |
| Samsung SDI Co., Ltd. | 6671 |
4 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
3 |
| GS Yuasa International Ltd. | 1834 |
3 |
| Samsung Electronics Co., Ltd. | 131630 |
2 |
| Contemporary Amperex Technology Co., Limited | 5805 |
2 |
| Florida State University Research Foundation, Inc. | 685 |
2 |
| Shenzhen Senior Technology Material Co., LTD | 46 |
2 |
| Solvay Specialty Polymers Italy S.p.A. | 704 |
2 |
| Glatfelter Corporation | 69 |
2 |
| LionVolt B.V. | 8 |
2 |
| Sinoma Lithium Battery Separator Co., Ltd. | 15 |
2 |
| LG Chem, Ltd. | 17205 |
1 |
| Sanyo Electric Co., Ltd. | 3926 |
1 |
| Hyundai Motor Company | 19021 |
1 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
1 |
| Toray Industries, Inc. | 6652 |
1 |
| Toyota Industries Corporation | 1010 |
1 |
| Other owners | 27 |