- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 50/423 - Polyamide resins
Patent holdings for IPC class H01M 50/423
Total number of patents in this class: 263
10-year publication summary
|
1
|
0
|
0
|
3
|
13
|
21
|
39
|
57
|
57
|
61
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Teijin Limited | 1256 |
27 |
| Sumitomo Chemical Company, Limited | 9105 |
23 |
| LG Energy Solution, Ltd. | 15720 |
11 |
| Samsung SDI Co., Ltd. | 8990 |
10 |
| Toray Industries, Inc. | 7006 |
10 |
| Celgard, LLC | 319 |
10 |
| Contemporary Amperex Technology (Hong Kong) Limited | 3837 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 32296 |
7 |
| Ningde Amperex Technology Limited | 2291 |
7 |
| SK Innovation Co., Ltd. | 1376 |
7 |
| SK IE Technology Co., Ltd. | 194 |
7 |
| Toyota Motor Corporation | 33341 |
4 |
| Zeon Corporation | 4112 |
4 |
| Resonac Corporation | 2974 |
4 |
| Murata Manufacturing Co., Ltd. | 24950 |
3 |
| ARAKAWA Chemical Industries, Ltd. | 149 |
3 |
| Asahi Kasei Kabushiki Kaisha | 2712 |
3 |
| Energizer Brands, LLC | 794 |
3 |
| IUCF-HYU (Industry-University Cooperation Foundation Hanyang University) | 1455 |
3 |
| Soteria Battery Innovation Group Inc. | 42 |
3 |
| Other owners | 106 |