- 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: 655
10-year publication summary
47
|
52
|
62
|
59
|
49
|
67
|
58
|
57
|
56
|
19
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
NGK Insulators, Ltd. | 4589 |
40 |
Energizer Brands, LLC | 835 |
35 |
Encell Technology, Inc. | 56 |
30 |
TDK Corporation | 6306 |
26 |
Form Energy, Inc. | 156 |
23 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
20 |
Duracell U.S. Operations, Inc. | 432 |
17 |
Varta Microbattery GmbH | 289 |
12 |
Research Foundation of the City University of New York | 395 |
11 |
Toyota Motor Corporation | 28582 |
10 |
The Gillette Company | 577 |
10 |
GS Yuasa International Ltd. | 1834 |
9 |
Sanyo Electric Co., Ltd. | 3926 |
8 |
Ionic Materials, Inc. | 66 |
8 |
Urban Electric Power Incorporated | 30 |
8 |
Kabushiki Kaisha Toyota Jidoshokki | 1699 |
8 |
Phinergy Ltd. | 93 |
7 |
Eveready Battery Company, Inc. | 267 |
6 |
Electricite de France | 695 |
6 |
Technische Universiteit Delft | 646 |
6 |
Other owners | 355 |