- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 2/16 - Separators; Membranes; Diaphragms; Spacing elements characterised by the material
Patent holdings for IPC class H01M 2/16
Total number of patents in this class: 5994
10-year publication summary
|
740
|
794
|
739
|
718
|
542
|
171
|
7
|
1
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Chemical Company, Limited | 8976 |
272 |
| LG Chem, Ltd. | 17632 |
268 |
| LG Energy Solution, Ltd. | 12783 |
259 |
| Samsung SDI Co., Ltd. | 7296 |
233 |
| Zeon Corporation | 3989 |
188 |
| Toray Industries, Inc. | 6843 |
168 |
| Murata Manufacturing Co., Ltd. | 23648 |
117 |
| Teijin Limited | 1232 |
101 |
| Toyota Motor Corporation | 30345 |
96 |
| Celgard, LLC | 300 |
92 |
| Robert Bosch GmbH | 41717 |
91 |
| NGK Insulators, Ltd. | 4791 |
91 |
| Daramic, LLC | 214 |
73 |
| Panasonic Corporation | 20327 |
66 |
| GS Yuasa International Ltd. | 1957 |
65 |
| Samsung Electronics Co., Ltd. | 138518 |
60 |
| Panasonic Intellectual Property Management Co., Ltd. | 29620 |
60 |
| Nissan Motor Co., Ltd. | 12332 |
58 |
| GM Global Technology Operations LLC | 14197 |
54 |
| Sanyo Electric Co., Ltd. | 3796 |
51 |
| Other owners | 3531 |