- 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: 1081
10-year publication summary
|
61
|
69
|
76
|
62
|
67
|
60
|
50
|
54
|
49
|
38
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 32139 |
44 |
| LG Energy Solution, Ltd. | 15538 |
44 |
| Panasonic Corporation | 20012 |
35 |
| Samsung SDI Co., Ltd. | 8811 |
28 |
| Sumitomo Chemical Company, Limited | 9090 |
23 |
| Duracell U.S. Operations, Inc. | 410 |
23 |
| Research Foundation of the City University of New York | 424 |
20 |
| Energizer Brands, LLC | 791 |
19 |
| Tosoh Corporation | 1329 |
19 |
| Toyota Motor Corporation | 33138 |
18 |
| LG Chem, Ltd. | 17674 |
14 |
| Ionic Materials, Inc. | 59 |
14 |
| UChicago Argonne, LLC | 926 |
14 |
| Apple Inc. | 55791 |
13 |
| The Gillette Company | 488 |
12 |
| Murata Manufacturing Co., Ltd. | 24861 |
12 |
| Ningde Amperex Technology Limited | 2269 |
12 |
| Toda Kogyo Corporation | 343 |
12 |
| Avery Dennison Retail Information Services LLC | 1170 |
11 |
| Toshiba Corporation | 12516 |
10 |
| Other owners | 684 |