- 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: 1804
10-year publication summary
|
5
|
17
|
53
|
82
|
156
|
255
|
308
|
311
|
359
|
139
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Energy Solution, Ltd. | 17651 |
387 |
| Samsung SDI Co., Ltd. | 9902 |
120 |
| Contemporary Amperex Technology (Hong Kong) Limited | 3932 |
58 |
| Contemporary Amperex Technology Co., Limited | 9051 |
52 |
| SK IE Technology Co., Ltd. | 206 |
52 |
| LG Chem, Ltd. | 17840 |
50 |
| SK Innovation Co., Ltd. | 1471 |
48 |
| Teijin Limited | 1265 |
44 |
| Panasonic Intellectual Property Management Co., Ltd. | 33602 |
39 |
| Zeon Corporation | 4121 |
38 |
| NGK Insulators, Ltd. | 5206 |
35 |
| Ningde Amperex Technology Limited | 2529 |
34 |
| Daramic, LLC | 219 |
31 |
| Celgard, LLC | 313 |
29 |
| Toyota Motor Corporation | 34698 |
17 |
| Asahi Kasei Kabushiki Kaisha | 2783 |
17 |
| Hansol Chemical Co., Ltd. | 171 |
16 |
| Pacific Industrial Development Corporation | 85 |
15 |
| Honeycomb Battery Company | 399 |
15 |
| Toray Industries, Inc. | 7045 |
14 |
| Other owners | 693 |