- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 50/463 - Separators, membranes or diaphragms characterised by their shape
Patent holdings for IPC class H01M 50/463
Total number of patents in this class: 612
10-year publication summary
|
4
|
10
|
38
|
44
|
65
|
85
|
93
|
107
|
92
|
59
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 34265 |
74 |
| LG Energy Solution, Ltd. | 19239 |
71 |
| Daramic, LLC | 221 |
44 |
| Asahi Kasei Kabushiki Kaisha | 2840 |
21 |
| Sanyo Electric Co., Ltd. | 3392 |
20 |
| Ningde Amperex Technology Limited | 2729 |
19 |
| Samsung SDI Co., Ltd. | 10719 |
16 |
| Contemporary Amperex Technology Co., Limited | 10216 |
16 |
| Murata Manufacturing Co., Ltd. | 25809 |
14 |
| GS Yuasa International Ltd. | 2264 |
14 |
| Toyota Motor Corporation | 35927 |
13 |
| Celgard, LLC | 312 |
10 |
| Prime Planet Energy & Solutions, Inc. | 1065 |
10 |
| NGK Insulators, Ltd. | 5200 |
9 |
| Panasonic Energy Co., Ltd. | 1066 |
9 |
| Ambri Acquisition, LLC | 32 |
9 |
| Contemporary Amperex Technology (Hong Kong) Limited | 4024 |
8 |
| Toshiba Corporation | 12594 |
7 |
| GM Global Technology Operations LLC | 16188 |
7 |
| Millibatt, Inc. | 21 |
7 |
| Other owners | 214 |