- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 50/417 - Polyolefins
Patent holdings for IPC class H01M 50/417
Total number of patents in this class: 1274
10-year publication summary
|
3
|
4
|
13
|
64
|
114
|
161
|
252
|
266
|
255
|
47
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Energy Solution, Ltd. | 16802 |
126 |
| Celgard, LLC | 317 |
81 |
| Samsung SDI Co., Ltd. | 9317 |
55 |
| Sumitomo Chemical Company, Limited | 9051 |
49 |
| Asahi Kasei Kabushiki Kaisha | 2745 |
47 |
| LG Chem, Ltd. | 17745 |
41 |
| Daramic, LLC | 218 |
40 |
| Contemporary Amperex Technology (Hong Kong) Limited | 3892 |
35 |
| Ningde Amperex Technology Limited | 2416 |
33 |
| Asahi Kasei Battery Separator Corporation | 84 |
29 |
| SK Innovation Co., Ltd. | 1403 |
27 |
| Toray Industries, Inc. | 7016 |
26 |
| SK IE Technology Co., Ltd. | 196 |
26 |
| Contemporary Amperex Technology Co., Limited | 8590 |
25 |
| Teijin Limited | 1256 |
22 |
| Panasonic Intellectual Property Management Co., Ltd. | 33033 |
21 |
| NGK Insulators, Ltd. | 5205 |
18 |
| Celanese International Corporation | 910 |
16 |
| W-scope Korea Co., Ltd. | 32 |
16 |
| W-scope Chungju Plant Co., Ltd. | 31 |
16 |
| Other owners | 525 |