- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 50/429 - Natural polymers
Patent holdings for IPC class H01M 50/429
Total number of patents in this class: 318
10-year publication summary
|
2
|
4
|
16
|
19
|
27
|
43
|
37
|
49
|
60
|
42
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daramic, LLC | 221 |
15 |
| LG Energy Solution, Ltd. | 18906 |
15 |
| Samsung SDI Co., Ltd. | 10589 |
12 |
| NGK Insulators, Ltd. | 5236 |
12 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
9 |
| Contemporary Amperex Technology (Hong Kong) Limited | 4015 |
9 |
| delfortgroup AG | 156 |
8 |
| Energizer Brands, LLC | 792 |
8 |
| Semiconductor Energy Laboratory Co., Ltd. | 11821 |
7 |
| Nippon Kodoshi Corporation | 84 |
7 |
| Soteria Battery Innovation Group Inc. | 42 |
7 |
| Ningde Amperex Technology Limited | 2682 |
6 |
| Apple Inc. | 58742 |
5 |
| LG Electronics Inc. | 75694 |
5 |
| Celgard, LLC | 311 |
5 |
| The Japan Steel Works, Ltd. | 826 |
5 |
| Form Energy, Inc. | 239 |
5 |
| Zeon Corporation | 4147 |
4 |
| Maxell, Ltd. | 3032 |
4 |
| SK IE Technology Co., Ltd. | 199 |
4 |
| Other owners | 166 |