- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 50/446 - Composite material consisting of a mixture of organic and inorganic materials
Patent holdings for IPC class H01M 50/446
Total number of patents in this class: 1428
10-year publication summary
|
7
|
5
|
17
|
51
|
78
|
150
|
250
|
305
|
308
|
172
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Energy Solution, Ltd. | 14424 |
310 |
| Samsung SDI Co., Ltd. | 8048 |
84 |
| Contemporary Amperex Technology (Hong Kong) Limited | 3376 |
44 |
| SK IE Technology Co., Ltd. | 181 |
39 |
| LG Chem, Ltd. | 17561 |
38 |
| SK Innovation Co., Ltd. | 1298 |
38 |
| Teijin Limited | 1235 |
35 |
| Contemporary Amperex Technology Co., Limited | 6343 |
34 |
| Zeon Corporation | 4072 |
33 |
| Panasonic Intellectual Property Management Co., Ltd. | 30967 |
30 |
| NGK Insulators, Ltd. | 4920 |
29 |
| Daramic, LLC | 217 |
26 |
| Celgard, LLC | 307 |
23 |
| Ningde Amperex Technology Limited | 1997 |
23 |
| Asahi Kasei Kabushiki Kaisha | 2636 |
16 |
| Hansol Chemical Co., Ltd. | 143 |
15 |
| Toyota Motor Corporation | 31451 |
14 |
| Toray Industries, Inc. | 6891 |
14 |
| Honeycomb Battery Company | 387 |
13 |
| Pacific Industrial Development Corporation | 74 |
12 |
| Other owners | 558 |