- 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: 1967
10-year publication summary
|
5
|
17
|
54
|
82
|
156
|
257
|
311
|
313
|
360
|
279
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Energy Solution, Ltd. | 19725 |
411 |
| Samsung SDI Co., Ltd. | 10988 |
147 |
| Contemporary Amperex Technology (Hong Kong) Limited | 4048 |
62 |
| Contemporary Amperex Technology Co., Limited | 10616 |
56 |
| LG Chem, Ltd. | 17986 |
53 |
| Teijin Limited | 1305 |
52 |
| SK IE Technology Co., Ltd. | 200 |
52 |
| SK Innovation Co., Ltd. | 1505 |
48 |
| Panasonic Intellectual Property Management Co., Ltd. | 34623 |
43 |
| Zeon Corporation | 4183 |
39 |
| Ningde Amperex Technology Limited | 2882 |
36 |
| NGK Insulators, Ltd. | 5168 |
35 |
| Daramic, LLC | 220 |
32 |
| Celgard, LLC | 311 |
29 |
| Hansol Chemical Co., Ltd. | 201 |
19 |
| Toyota Motor Corporation | 36389 |
18 |
| Asahi Kasei Kabushiki Kaisha | 2875 |
18 |
| SK on Co., Ltd. | 2528 |
17 |
| Asahi Kasei Battery Separator Corporation | 93 |
16 |
| Pacific Industrial Development Corporation | 86 |
15 |
| Other owners | 769 |