- 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: 1076
10-year publication summary
|
69
|
78
|
64
|
67
|
64
|
53
|
57
|
51
|
46
|
16
|
| 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. | 33602 |
50 |
| LG Energy Solution, Ltd. | 17651 |
42 |
| Panasonic Corporation | 19577 |
34 |
| Samsung SDI Co., Ltd. | 9902 |
28 |
| Duracell U.S. Operations, Inc. | 397 |
23 |
| Energizer Brands, LLC | 790 |
21 |
| Research Foundation of the City University of New York | 436 |
20 |
| Tosoh Corporation | 1387 |
19 |
| Toyota Motor Corporation | 34698 |
18 |
| Sumitomo Chemical Company, Limited | 9055 |
18 |
| Murata Manufacturing Co., Ltd. | 25552 |
14 |
| Ionic Materials, Inc. | 56 |
14 |
| Apple Inc. | 58122 |
13 |
| LG Chem, Ltd. | 17840 |
12 |
| Ningde Amperex Technology Limited | 2529 |
12 |
| Toda Kogyo Corporation | 341 |
12 |
| Avery Dennison Retail Information Services LLC | 1193 |
11 |
| Sumitomo Metal Mining Co., Ltd. | 1935 |
11 |
| Toshiba Corporation | 12695 |
10 |
| TDK Corporation | 6813 |
10 |
| Other owners | 684 |