- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 50/431 - Inorganic material
Patent holdings for IPC class H01M 50/431
Total number of patents in this class: 936
10-year publication summary
|
6
|
16
|
51
|
83
|
94
|
114
|
117
|
155
|
192
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Energy Solution, Ltd. | 16587 |
120 |
| Samsung SDI Co., Ltd. | 9181 |
41 |
| Panasonic Intellectual Property Management Co., Ltd. | 32904 |
29 |
| SK Innovation Co., Ltd. | 1399 |
28 |
| SK IE Technology Co., Ltd. | 196 |
27 |
| LG Chem, Ltd. | 17741 |
24 |
| NGK Insulators, Ltd. | 5192 |
24 |
| Samsung Electronics Co., Ltd. | 151017 |
22 |
| Contemporary Amperex Technology (Hong Kong) Limited | 3886 |
22 |
| 24M Technologies, Inc. | 295 |
18 |
| Contemporary Amperex Technology Co., Limited | 8391 |
18 |
| Celgard, LLC | 319 |
17 |
| Daramic, LLC | 217 |
17 |
| Ningde Amperex Technology Limited | 2401 |
14 |
| GM Global Technology Operations LLC | 15564 |
13 |
| Asahi Kasei Kabushiki Kaisha | 2743 |
13 |
| Quantumscape Battery, Inc. | 209 |
12 |
| Toyota Motor Corporation | 33893 |
11 |
| Pacific Industrial Development Corporation | 84 |
10 |
| Massachusetts Institute of Technology | 10181 |
8 |
| Other owners | 448 |