- 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: 1344
10-year publication summary
|
3
|
5
|
15
|
65
|
115
|
165
|
254
|
268
|
264
|
111
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Energy Solution, Ltd. | 17861 |
140 |
| Celgard, LLC | 313 |
82 |
| Samsung SDI Co., Ltd. | 10047 |
59 |
| Asahi Kasei Kabushiki Kaisha | 2798 |
47 |
| LG Chem, Ltd. | 17867 |
43 |
| Daramic, LLC | 220 |
41 |
| Sslm Co., Ltd. | 42 |
36 |
| Ningde Amperex Technology Limited | 2537 |
35 |
| Contemporary Amperex Technology (Hong Kong) Limited | 3943 |
35 |
| Contemporary Amperex Technology Co., Limited | 9185 |
31 |
| Asahi Kasei Battery Separator Corporation | 85 |
31 |
| SK IE Technology Co., Ltd. | 206 |
29 |
| Toray Industries, Inc. | 7053 |
27 |
| SK Innovation Co., Ltd. | 1479 |
27 |
| Teijin Limited | 1270 |
24 |
| Panasonic Intellectual Property Management Co., Ltd. | 33690 |
21 |
| Shenzhen Senior Technology Material Co., LTD | 93 |
19 |
| NGK Insulators, Ltd. | 5215 |
18 |
| Celanese International Corporation | 912 |
17 |
| Sumitomo Chemical Company, Limited | 9013 |
16 |
| Other owners | 566 |