- 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: 2307
10-year publication summary
|
307
|
256
|
299
|
294
|
253
|
167
|
72
|
2
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17205 |
135 |
| LG Energy Solution, Ltd. | 10813 |
128 |
| Samsung SDI Co., Ltd. | 6671 |
113 |
| Sumitomo Chemical Company, Limited | 8808 |
101 |
| Celgard, LLC | 273 |
50 |
| Toyota Motor Corporation | 28582 |
48 |
| Robert Bosch GmbH | 40953 |
46 |
| GM Global Technology Operations LLC | 13620 |
45 |
| Toray Industries, Inc. | 6652 |
41 |
| GS Yuasa International Ltd. | 1834 |
39 |
| Murata Manufacturing Co., Ltd. | 22355 |
36 |
| Daramic, LLC | 207 |
29 |
| Panasonic Corporation | 20786 |
26 |
| Honda Motor Co., Ltd. | 24537 |
22 |
| Hyundai Motor Company | 19021 |
21 |
| Sion Power Corporation | 286 |
20 |
| Teijin Limited | 1216 |
20 |
| BYD Company Limited | 3700 |
19 |
| Zeon Corporation | 3854 |
18 |
| Nissan Motor Co., Ltd. | 12249 |
17 |
| Other owners | 1333 |