- 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: 243
10-year publication summary
|
0
|
2
|
4
|
16
|
19
|
26
|
41
|
38
|
49
|
35
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daramic, LLC | 217 |
14 |
| NGK Insulators, Ltd. | 4943 |
12 |
| LG Energy Solution, Ltd. | 14693 |
8 |
| Energizer Brands, LLC | 819 |
7 |
| Semiconductor Energy Laboratory Co., Ltd. | 11381 |
6 |
| Ningde Amperex Technology Limited | 2010 |
6 |
| Nippon Kodoshi Corporation | 80 |
6 |
| LG Electronics Inc. | 72675 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 31084 |
5 |
| Celgard, LLC | 308 |
5 |
| Form Energy, Inc. | 211 |
5 |
| Apple Inc. | 54577 |
4 |
| Samsung SDI Co., Ltd. | 8112 |
4 |
| delfortgroup AG | 149 |
4 |
| The Japan Steel Works, Ltd. | 741 |
4 |
| Zeon Corporation | 4076 |
4 |
| Soteria Battery Innovation Group Inc. | 39 |
4 |
| Maxell, Ltd. | 2780 |
4 |
| Contemporary Amperex Technology (Hong Kong) Limited | 3413 |
4 |
| Toshiba Corporation | 12317 |
3 |
| Other owners | 129 |