- 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: 148
10-year publication summary
|
0
|
1
|
0
|
0
|
3
|
11
|
19
|
35
|
55
|
21
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Teijin Limited | 1216 |
14 |
| Sumitomo Chemical Company, Limited | 8808 |
13 |
| Celgard, LLC | 273 |
9 |
| Toray Industries, Inc. | 6652 |
7 |
| Samsung SDI Co., Ltd. | 6671 |
6 |
| LG Energy Solution, Ltd. | 10813 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
4 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
4 |
| Ningde Amperex Technology Limited | 1512 |
4 |
| Zeon Corporation | 3854 |
4 |
| Toyota Motor Corporation | 28582 |
3 |
| DuPont Safety & Construction, Inc. | 676 |
3 |
| Resonac Corporation | 2233 |
3 |
| Panasonic Energy Co., Ltd. | 667 |
3 |
| NEC Corporation | 32703 |
2 |
| NGK Insulators, Ltd. | 4589 |
2 |
| Mitsui Chemicals, Inc. | 3134 |
2 |
| 24M Technologies, Inc. | 186 |
2 |
| ARAKAWA Chemical Industries, Ltd. | 145 |
2 |
| Contemporary Amperex Technology Co., Limited | 5805 |
2 |
| Other owners | 53 |