- 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: 880
10-year publication summary
|
50
|
52
|
63
|
68
|
83
|
84
|
86
|
82
|
84
|
27
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 14131 |
78 |
| Sumitomo Electric Toyama Co., Ltd. | 97 |
48 |
| Contemporary Amperex Technology Co., Limited | 5805 |
24 |
| Honeycomb Battery Company | 359 |
24 |
| LG Energy Solution, Ltd. | 10813 |
21 |
| Innolith Technology AG | 39 |
16 |
| Honda Motor Co., Ltd. | 24537 |
14 |
| GM Global Technology Operations LLC | 13620 |
14 |
| Mitsubishi Materials Corporation | 2378 |
14 |
| Toyota Motor Corporation | 28582 |
13 |
| Samsung SDI Co., Ltd. | 6671 |
13 |
| LG Chem, Ltd. | 17205 |
10 |
| The Regents of the University of California | 18943 |
10 |
| Siemens AG | 24990 |
9 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
9 |
| NGK Insulators, Ltd. | 4589 |
8 |
| Sion Power Corporation | 286 |
8 |
| Maxell, Ltd. | 2533 |
8 |
| Hyundai Motor Company | 19021 |
7 |
| Innolith Assets AG | 18 |
7 |
| Other owners | 525 |