- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 50/403 - Manufacturing processes of separators, membranes or diaphragms
Patent holdings for IPC class H01M 50/403
Total number of patents in this class: 1043
10-year publication summary
|
2
|
4
|
10
|
21
|
70
|
88
|
157
|
248
|
284
|
77
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Energy Solution, Ltd. | 10813 |
152 |
| Celgard, LLC | 273 |
43 |
| Zeon Corporation | 3854 |
34 |
| LG Chem, Ltd. | 17205 |
32 |
| Contemporary Amperex Technology Co., Limited | 5805 |
25 |
| Shanghai Energy New Materials Technology Co., Ltd. | 86 |
21 |
| SK Innovation Co., Ltd. | 1015 |
20 |
| Samsung SDI Co., Ltd. | 6671 |
19 |
| Daramic, LLC | 207 |
19 |
| SK IE Technology Co., Ltd. | 152 |
19 |
| Toyota Motor Corporation | 28582 |
17 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
17 |
| GM Global Technology Operations LLC | 13620 |
13 |
| Sumitomo Chemical Company, Limited | 8808 |
12 |
| Samsung Electronics Co., Ltd. | 131630 |
11 |
| Shenzhen Senior Technology Material Co., LTD | 46 |
11 |
| W-scope Chungju Plant Co., Ltd. | 17 |
11 |
| Solvay Specialty Polymers Italy S.p.A. | 704 |
10 |
| META Materials Inc. | 27 |
10 |
| Ningde Amperex Technology Limited | 1512 |
9 |
| Other owners | 538 |