- 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: 1125
10-year publication summary
|
153
|
124
|
110
|
55
|
22
|
0
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung SDI Co., Ltd. | 10624 |
74 |
| GS Yuasa International Ltd. | 2251 |
59 |
| LG Energy Solution, Ltd. | 19066 |
56 |
| Daramic, LLC | 221 |
42 |
| Murata Manufacturing Co., Ltd. | 25758 |
41 |
| Robert Bosch GmbH | 44176 |
38 |
| Nissan Motor Co., Ltd. | 12966 |
27 |
| Toyota Motor Corporation | 35813 |
25 |
| NEC Energy Devices, Ltd. | 276 |
22 |
| Kabushiki Kaisha Toyota Jidoshokki | 1812 |
22 |
| LG Chem, Ltd. | 17929 |
21 |
| Envision AESC Japan Ltd. | 271 |
21 |
| Semiconductor Energy Laboratory Co., Ltd. | 11834 |
17 |
| Sumitomo Chemical Company, Limited | 8968 |
17 |
| Panasonic Corporation | 18962 |
16 |
| Sanyo Electric Co., Ltd. | 3404 |
12 |
| Panasonic Intellectual Property Management Co., Ltd. | 34035 |
12 |
| Celgard, LLC | 311 |
12 |
| Hitachi Chemical Company, Ltd. | 2241 |
11 |
| Toshiba Corporation | 12569 |
10 |
| Other owners | 570 |