- 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: 1912
10-year publication summary
|
5
|
17
|
53
|
82
|
156
|
256
|
310
|
313
|
360
|
233
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Energy Solution, Ltd. | 18906 |
402 |
| Samsung SDI Co., Ltd. | 10589 |
144 |
| Contemporary Amperex Technology (Hong Kong) Limited | 4015 |
59 |
| Contemporary Amperex Technology Co., Limited | 9961 |
55 |
| LG Chem, Ltd. | 17921 |
52 |
| SK IE Technology Co., Ltd. | 199 |
52 |
| Teijin Limited | 1282 |
51 |
| SK Innovation Co., Ltd. | 1483 |
48 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
41 |
| Zeon Corporation | 4147 |
39 |
| Ningde Amperex Technology Limited | 2682 |
36 |
| NGK Insulators, Ltd. | 5236 |
35 |
| Daramic, LLC | 221 |
32 |
| Celgard, LLC | 311 |
29 |
| Hansol Chemical Co., Ltd. | 196 |
19 |
| Toyota Motor Corporation | 35772 |
18 |
| Asahi Kasei Kabushiki Kaisha | 2833 |
18 |
| SK on Co., Ltd. | 2386 |
16 |
| Pacific Industrial Development Corporation | 86 |
15 |
| Shanghai Energy New Materials Technology Co., Ltd. | 111 |
15 |
| Other owners | 736 |