- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 2/14 - Separators; Membranes; Diaphragms; Spacing elements
Patent holdings for IPC class H01M 2/14
Total number of patents in this class: 2210
10-year publication summary
|
256
|
299
|
294
|
250
|
159
|
65
|
2
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17564 |
133 |
| LG Energy Solution, Ltd. | 14524 |
119 |
| Samsung SDI Co., Ltd. | 8080 |
109 |
| Sumitomo Chemical Company, Limited | 9018 |
99 |
| Toyota Motor Corporation | 31565 |
47 |
| Robert Bosch GmbH | 42505 |
46 |
| Celgard, LLC | 307 |
46 |
| Toray Industries, Inc. | 6906 |
39 |
| GS Yuasa International Ltd. | 2016 |
39 |
| GM Global Technology Operations LLC | 14910 |
38 |
| Murata Manufacturing Co., Ltd. | 24369 |
34 |
| Daramic, LLC | 217 |
29 |
| Panasonic Corporation | 20166 |
24 |
| Hyundai Motor Company | 21748 |
21 |
| Sion Power Corporation | 291 |
20 |
| Teijin Limited | 1236 |
20 |
| Honda Motor Co., Ltd. | 25157 |
19 |
| BYD Company Limited | 4821 |
19 |
| Zeon Corporation | 4075 |
18 |
| SK Innovation Co., Ltd. | 1303 |
17 |
| Other owners | 1274 |