- 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: 2151
10-year publication summary
|
299
|
294
|
248
|
154
|
59
|
2
|
1
|
0
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17846 |
127 |
| LG Energy Solution, Ltd. | 17738 |
118 |
| Samsung SDI Co., Ltd. | 9976 |
104 |
| Sumitomo Chemical Company, Limited | 9055 |
99 |
| Robert Bosch GmbH | 43646 |
46 |
| Toyota Motor Corporation | 34794 |
45 |
| Celgard, LLC | 313 |
39 |
| GS Yuasa International Ltd. | 2222 |
39 |
| Toray Industries, Inc. | 7046 |
38 |
| GM Global Technology Operations LLC | 15864 |
35 |
| Murata Manufacturing Co., Ltd. | 25566 |
34 |
| Daramic, LLC | 220 |
28 |
| Panasonic Corporation | 19530 |
22 |
| Hyundai Motor Company | 23906 |
21 |
| Sion Power Corporation | 287 |
20 |
| Teijin Limited | 1265 |
20 |
| BYD Company Limited | 6259 |
19 |
| Zeon Corporation | 4121 |
18 |
| Solvay Specialty Polymers Italy S.p.A. | 660 |
17 |
| Shanghai Energy New Materials Technology Co., Ltd. | 107 |
17 |
| Other owners | 1245 |