- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 2/18 - Separators; Membranes; Diaphragms; Spacing elements characterised by the shape
Patent holdings for IPC class H01M 2/18
Total number of patents in this class: 1207
10-year publication summary
|
138
|
134
|
154
|
124
|
112
|
61
|
26
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung SDI Co., Ltd. | 6671 |
77 |
| LG Energy Solution, Ltd. | 10813 |
67 |
| GS Yuasa International Ltd. | 1834 |
61 |
| Daramic, LLC | 207 |
47 |
| Murata Manufacturing Co., Ltd. | 22355 |
42 |
| Robert Bosch GmbH | 40953 |
39 |
| Toyota Motor Corporation | 28582 |
28 |
| Nissan Motor Co., Ltd. | 12249 |
28 |
| NEC Energy Devices, Ltd. | 276 |
22 |
| Kabushiki Kaisha Toyota Jidoshokki | 1699 |
22 |
| LG Chem, Ltd. | 17205 |
21 |
| Envision AESC Japan Ltd. | 290 |
21 |
| Sumitomo Chemical Company, Limited | 8808 |
20 |
| Panasonic Corporation | 20786 |
17 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
17 |
| Celgard, LLC | 273 |
14 |
| Sanyo Electric Co., Ltd. | 3926 |
13 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
12 |
| General Electric Company | 18133 |
11 |
| Hitachi Chemical Company, Ltd. | 2455 |
11 |
| Other owners | 617 |