- 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: 1545
10-year publication summary
|
6
|
3
|
16
|
51
|
76
|
153
|
248
|
296
|
306
|
261
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Energy Solution, Ltd. | 15385 |
323 |
| Samsung SDI Co., Ltd. | 8622 |
93 |
| Contemporary Amperex Technology (Hong Kong) Limited | 3781 |
53 |
| LG Chem, Ltd. | 17676 |
46 |
| SK IE Technology Co., Ltd. | 190 |
46 |
| SK Innovation Co., Ltd. | 1360 |
45 |
| Teijin Limited | 1263 |
40 |
| Zeon Corporation | 4113 |
35 |
| Panasonic Intellectual Property Management Co., Ltd. | 32052 |
34 |
| Contemporary Amperex Technology Co., Limited | 7158 |
33 |
| NGK Insulators, Ltd. | 5103 |
31 |
| Celgard, LLC | 315 |
28 |
| Daramic, LLC | 220 |
28 |
| Ningde Amperex Technology Limited | 2227 |
26 |
| Asahi Kasei Kabushiki Kaisha | 2698 |
17 |
| Hansol Chemical Co., Ltd. | 151 |
15 |
| Honeycomb Battery Company | 392 |
15 |
| Toyota Motor Corporation | 32956 |
14 |
| Toray Industries, Inc. | 7000 |
14 |
| Pacific Industrial Development Corporation | 79 |
12 |
| Other owners | 597 |