- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 50/497 - Ionic conductivity
Patent holdings for IPC class H01M 50/497
Total number of patents in this class: 275
10-year publication summary
|
0
|
2
|
5
|
14
|
33
|
41
|
46
|
48
|
62
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 5186 |
18 |
| LG Energy Solution, Ltd. | 17466 |
16 |
| Contemporary Amperex Technology Co., Limited | 8931 |
8 |
| Contemporary Amperex Technology (Hong Kong) Limited | 3923 |
8 |
| Celgard, LLC | 313 |
6 |
| Enovix Corporation | 168 |
6 |
| LG Chem, Ltd. | 17813 |
5 |
| Massachusetts Institute of Technology | 10196 |
5 |
| Global Graphene Group, Inc. | 248 |
5 |
| Apple Inc. | 58049 |
4 |
| Toyota Motor Corporation | 34545 |
4 |
| Daramic, LLC | 219 |
4 |
| PolyPlus Battery Company | 97 |
4 |
| Zhuhai CosMX Battery Co., Ltd. | 679 |
4 |
| Honeycomb Battery Company | 396 |
4 |
| Elevated Materials US LLC | 124 |
4 |
| GM Global Technology Operations LLC | 15776 |
3 |
| The Regents of the University of Michigan | 4902 |
3 |
| Toray Industries, Inc. | 7036 |
3 |
| Georgia Tech Research Corporation | 2897 |
3 |
| Other owners | 158 |