- 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: 675
10-year publication summary
|
52
|
62
|
59
|
49
|
67
|
60
|
57
|
56
|
53
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 4795 |
43 |
| Energizer Brands, LLC | 831 |
39 |
| TDK Corporation | 6535 |
28 |
| Encell Technology, Inc. | 51 |
25 |
| Form Energy, Inc. | 172 |
25 |
| Panasonic Intellectual Property Management Co., Ltd. | 29687 |
22 |
| Duracell U.S. Operations, Inc. | 424 |
17 |
| Varta Microbattery GmbH | 304 |
13 |
| Toyota Motor Corporation | 30398 |
11 |
| Research Foundation of the City University of New York | 410 |
11 |
| GS Yuasa International Ltd. | 1961 |
9 |
| The Gillette Company | 530 |
8 |
| Sanyo Electric Co., Ltd. | 3794 |
8 |
| Ionic Materials, Inc. | 58 |
8 |
| Urban Electric Power Incorporated | 32 |
8 |
| Kabushiki Kaisha Toyota Jidoshokki | 1730 |
8 |
| Phinergy Ltd. | 94 |
7 |
| Electricite de France | 715 |
6 |
| Nippon Shokubai Co., Ltd. | 1513 |
6 |
| University of Houston System | 1037 |
6 |
| Other owners | 367 |