- 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: 2189
10-year publication summary
|
256
|
299
|
294
|
249
|
157
|
61
|
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. | 17680 |
132 |
| LG Energy Solution, Ltd. | 15443 |
117 |
| Samsung SDI Co., Ltd. | 8695 |
108 |
| Sumitomo Chemical Company, Limited | 9086 |
99 |
| Toyota Motor Corporation | 33015 |
47 |
| Robert Bosch GmbH | 42826 |
46 |
| Celgard, LLC | 317 |
43 |
| Toray Industries, Inc. | 7002 |
39 |
| GS Yuasa International Ltd. | 2076 |
39 |
| GM Global Technology Operations LLC | 15192 |
36 |
| Murata Manufacturing Co., Ltd. | 24829 |
34 |
| Daramic, LLC | 219 |
28 |
| Panasonic Corporation | 20030 |
24 |
| Hyundai Motor Company | 22435 |
21 |
| Sion Power Corporation | 294 |
20 |
| Teijin Limited | 1263 |
20 |
| BYD Company Limited | 5207 |
19 |
| Honda Motor Co., Ltd. | 25780 |
18 |
| Zeon Corporation | 4113 |
18 |
| SK Innovation Co., Ltd. | 1362 |
17 |
| Other owners | 1264 |