- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 4/24 - Electrodes for alkaline accumulators
Patent holdings for IPC class H01M 4/24
Total number of patents in this class: 745
10-year publication summary
|
62
|
59
|
49
|
67
|
62
|
62
|
61
|
56
|
44
|
37
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Energizer Brands, LLC | 786 |
48 |
| NGK Insulators, Ltd. | 5169 |
47 |
| TDK Corporation | 7027 |
33 |
| Form Energy, Inc. | 241 |
30 |
| Panasonic Intellectual Property Management Co., Ltd. | 34685 |
25 |
| Encell Technology, Inc. | 46 |
25 |
| Duracell U.S. Operations, Inc. | 390 |
17 |
| Toyota Motor Corporation | 36465 |
14 |
| Varta Microbattery GmbH | 311 |
13 |
| Research Foundation of the City University of New York | 451 |
11 |
| GS Yuasa International Ltd. | 2296 |
9 |
| Kabushiki Kaisha Toyota Jidoshokki | 1839 |
9 |
| Ionic Materials, Inc. | 56 |
8 |
| Urban Electric Power Incorporated | 33 |
8 |
| Zelos Energy Ltd. | 30 |
8 |
| Phinergy Ltd. | 92 |
7 |
| Maxell, Ltd. | 3108 |
7 |
| Octet Scientific, Inc. | 15 |
7 |
| Centre National de La Recherche Scientifique | 11143 |
6 |
| Sanyo Electric Co., Ltd. | 3370 |
6 |
| Other owners | 407 |