- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 4/50 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
Patent holdings for IPC class H01M 4/50
Total number of patents in this class: 1052
10-year publication summary
|
69
|
78
|
64
|
67
|
66
|
53
|
57
|
51
|
46
|
23
|
| 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. | 33997 |
51 |
| LG Energy Solution, Ltd. | 18906 |
41 |
| Panasonic Corporation | 19019 |
31 |
| Samsung SDI Co., Ltd. | 10589 |
27 |
| Duracell U.S. Operations, Inc. | 391 |
23 |
| Energizer Brands, LLC | 792 |
21 |
| Toyota Motor Corporation | 35772 |
20 |
| Research Foundation of the City University of New York | 446 |
20 |
| Tosoh Corporation | 1417 |
19 |
| Sumitomo Chemical Company, Limited | 9016 |
15 |
| Ionic Materials, Inc. | 56 |
14 |
| Apple Inc. | 58742 |
13 |
| Murata Manufacturing Co., Ltd. | 25744 |
13 |
| BASF SE | 21303 |
12 |
| Ningde Amperex Technology Limited | 2682 |
12 |
| Sumitomo Metal Mining Co., Ltd. | 1974 |
12 |
| Avery Dennison Retail Information Services LLC | 1194 |
11 |
| TDK Corporation | 6858 |
10 |
| LG Chem, Ltd. | 17921 |
9 |
| Toda Kogyo Corporation | 329 |
9 |
| Other owners | 669 |