- 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: 1058
10-year publication summary
|
63
|
68
|
83
|
84
|
88
|
84
|
86
|
90
|
66
|
46
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 16303 |
80 |
| Sumitomo Electric Toyama Co., Ltd. | 113 |
50 |
| Contemporary Amperex Technology (Hong Kong) Limited | 4000 |
25 |
| LG Energy Solution, Ltd. | 18737 |
24 |
| Honeycomb Battery Company | 402 |
24 |
| Samsung SDI Co., Ltd. | 10524 |
21 |
| Contemporary Amperex Technology Co., Limited | 9818 |
21 |
| Maxell, Ltd. | 3005 |
20 |
| Innolith Technology AG | 51 |
18 |
| Toyota Motor Corporation | 35578 |
17 |
| GM Global Technology Operations LLC | 16087 |
17 |
| Honda Motor Co., Ltd. | 26006 |
15 |
| Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V. | 1843 |
15 |
| Mitsubishi Materials Corporation | 2468 |
14 |
| Panasonic Intellectual Property Management Co., Ltd. | 33845 |
12 |
| Cellmo Materials Innovation, Inc. | 35 |
11 |
| LG Chem, Ltd. | 17926 |
10 |
| The Regents of the University of California | 20694 |
10 |
| Murata Manufacturing Co., Ltd. | 25708 |
10 |
| Hyundai Motor Company | 24578 |
10 |
| Other owners | 634 |