- 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: 1687
10-year publication summary
|
3
|
16
|
52
|
78
|
154
|
250
|
297
|
307
|
345
|
32
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Energy Solution, Ltd. | 16587 |
348 |
| Samsung SDI Co., Ltd. | 9181 |
112 |
| Contemporary Amperex Technology (Hong Kong) Limited | 3886 |
57 |
| Contemporary Amperex Technology Co., Limited | 8391 |
50 |
| SK IE Technology Co., Ltd. | 196 |
49 |
| LG Chem, Ltd. | 17741 |
48 |
| SK Innovation Co., Ltd. | 1399 |
48 |
| Teijin Limited | 1259 |
42 |
| Panasonic Intellectual Property Management Co., Ltd. | 32904 |
36 |
| Zeon Corporation | 4123 |
35 |
| NGK Insulators, Ltd. | 5192 |
31 |
| Celgard, LLC | 319 |
30 |
| Ningde Amperex Technology Limited | 2401 |
30 |
| Daramic, LLC | 217 |
29 |
| Asahi Kasei Kabushiki Kaisha | 2743 |
17 |
| Toyota Motor Corporation | 33893 |
16 |
| Hansol Chemical Co., Ltd. | 157 |
15 |
| Pacific Industrial Development Corporation | 84 |
15 |
| Honeycomb Battery Company | 395 |
15 |
| Toray Industries, Inc. | 7014 |
14 |
| Other owners | 650 |