- 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: 328
10-year publication summary
|
2
|
4
|
16
|
19
|
27
|
43
|
37
|
49
|
60
|
52
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daramic, LLC | 220 |
16 |
| LG Energy Solution, Ltd. | 19725 |
15 |
| Samsung SDI Co., Ltd. | 10988 |
13 |
| NGK Insulators, Ltd. | 5168 |
12 |
| Panasonic Intellectual Property Management Co., Ltd. | 34623 |
11 |
| delfortgroup AG | 159 |
11 |
| Contemporary Amperex Technology (Hong Kong) Limited | 4048 |
9 |
| Energizer Brands, LLC | 786 |
8 |
| Semiconductor Energy Laboratory Co., Ltd. | 11896 |
7 |
| Nippon Kodoshi Corporation | 85 |
7 |
| Soteria Battery Innovation Group Inc. | 42 |
7 |
| Ningde Amperex Technology Limited | 2882 |
6 |
| Apple Inc. | 59414 |
5 |
| LG Electronics Inc. | 76299 |
5 |
| Celgard, LLC | 311 |
5 |
| The Japan Steel Works, Ltd. | 883 |
5 |
| Form Energy, Inc. | 241 |
5 |
| Zeon Corporation | 4183 |
4 |
| Maxell, Ltd. | 3099 |
4 |
| SK IE Technology Co., Ltd. | 200 |
4 |
| Other owners | 169 |