- 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: 2140
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. | 17921 |
127 |
| LG Energy Solution, Ltd. | 18838 |
118 |
| Samsung SDI Co., Ltd. | 10556 |
104 |
| Sumitomo Chemical Company, Limited | 8996 |
98 |
| Robert Bosch GmbH | 44128 |
46 |
| Toyota Motor Corporation | 35680 |
45 |
| Celgard, LLC | 311 |
39 |
| GS Yuasa International Ltd. | 2246 |
39 |
| Toray Industries, Inc. | 7096 |
38 |
| GM Global Technology Operations LLC | 16106 |
35 |
| Murata Manufacturing Co., Ltd. | 25722 |
34 |
| Daramic, LLC | 220 |
28 |
| Panasonic Corporation | 19060 |
21 |
| Hyundai Motor Company | 24602 |
21 |
| Sion Power Corporation | 289 |
20 |
| Teijin Limited | 1280 |
20 |
| BYD Company Limited | 6463 |
19 |
| Zeon Corporation | 4145 |
18 |
| Solvay Specialty Polymers Italy S.p.A. | 656 |
17 |
| Shanghai Energy New Materials Technology Co., Ltd. | 111 |
17 |
| Other owners | 1236 |