- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 4/80 - Porous plates, e.g. sintered carriers
Patent holdings for IPC class H01M 4/80
Total number of patents in this class: 1001
10-year publication summary
|
52
|
62
|
68
|
79
|
83
|
84
|
80
|
85
|
87
|
65
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 15802 |
79 |
| Sumitomo Electric Toyama Co., Ltd. | 110 |
49 |
| Contemporary Amperex Technology (Hong Kong) Limited | 3849 |
25 |
| Honeycomb Battery Company | 393 |
24 |
| LG Energy Solution, Ltd. | 16089 |
22 |
| Samsung SDI Co., Ltd. | 8922 |
19 |
| Contemporary Amperex Technology Co., Limited | 7854 |
18 |
| Innolith Technology AG | 47 |
18 |
| Maxell, Ltd. | 2880 |
17 |
| Toyota Motor Corporation | 33572 |
16 |
| GM Global Technology Operations LLC | 15421 |
16 |
| Honda Motor Co., Ltd. | 25780 |
15 |
| Mitsubishi Materials Corporation | 2472 |
14 |
| Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1807 |
13 |
| Panasonic Intellectual Property Management Co., Ltd. | 32551 |
12 |
| LG Chem, Ltd. | 17704 |
10 |
| The Regents of the University of California | 20315 |
10 |
| Murata Manufacturing Co., Ltd. | 25037 |
9 |
| NGK Insulators, Ltd. | 5149 |
9 |
| Cellmo Materials Innovation, Inc. | 28 |
9 |
| Other owners | 597 |