- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 50/46 - Separators, membranes or diaphragms characterised by their combination with electrodes
Patent holdings for IPC class H01M 50/46
Total number of patents in this class: 1256
10-year publication summary
|
2
|
5
|
8
|
21
|
55
|
160
|
144
|
203
|
440
|
148
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Energy Solution, Ltd. | 10813 |
263 |
| Samsung SDI Co., Ltd. | 6671 |
62 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
47 |
| Toyota Motor Corporation | 28582 |
41 |
| Ningde Amperex Technology Limited | 1512 |
37 |
| Prime Planet Energy & Solutions, Inc. | 559 |
32 |
| Contemporary Amperex Technology Co., Limited | 5805 |
30 |
| Murata Manufacturing Co., Ltd. | 22355 |
29 |
| Zeon Corporation | 3854 |
28 |
| NGK Insulators, Ltd. | 4589 |
18 |
| Samsung Electronics Co., Ltd. | 131630 |
17 |
| Toshiba Corporation | 12017 |
17 |
| GS Yuasa International Ltd. | 1834 |
17 |
| SK on Co., Ltd. | 1016 |
16 |
| Panasonic Energy Co., Ltd. | 667 |
14 |
| GM Global Technology Operations LLC | 13620 |
13 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
13 |
| Apple Inc. | 50209 |
12 |
| Sion Power Corporation | 286 |
12 |
| LG Chem, Ltd. | 17205 |
11 |
| Other owners | 527 |