- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 50/443 - Particulate material
Patent holdings for IPC class H01M 50/443
Total number of patents in this class: 1030
10-year publication summary
|
0
|
0
|
5
|
22
|
93
|
120
|
123
|
184
|
243
|
167
|
| 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 |
143 |
| Zeon Corporation | 4147 |
91 |
| Samsung SDI Co., Ltd. | 10589 |
79 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
53 |
| Teijin Limited | 1282 |
53 |
| SK IE Technology Co., Ltd. | 199 |
35 |
| Ningde Amperex Technology Limited | 2682 |
34 |
| Contemporary Amperex Technology (Hong Kong) Limited | 4015 |
33 |
| SK Innovation Co., Ltd. | 1483 |
32 |
| Asahi Kasei Kabushiki Kaisha | 2833 |
29 |
| Contemporary Amperex Technology Co., Limited | 9961 |
27 |
| Asahi Kasei Battery Separator Corporation | 89 |
22 |
| GS Yuasa International Ltd. | 2248 |
19 |
| Toray Industries, Inc. | 7113 |
16 |
| LG Chem, Ltd. | 17921 |
15 |
| Panasonic Energy Co., Ltd. | 1039 |
15 |
| Mitsui Chemicals, Inc. | 3246 |
13 |
| NGK Insulators, Ltd. | 5236 |
10 |
| Murata Manufacturing Co., Ltd. | 25744 |
9 |
| Shanghai Energy New Materials Technology Co., Ltd. | 111 |
9 |
| Other owners | 293 |